CINXE.COM

<!DOCTYPE html> <html class="client-nojs skin-theme-clientpref-day mf-expand-sections-clientpref-0 mf-font-size-clientpref-small mw-mf-amc-clientpref-0" lang="en" dir="ltr"> <head> <meta charset="UTF-8"> <title>Sea slug - Wikipedia</title> <script>(function(){var className="client-js skin-theme-clientpref-day mf-expand-sections-clientpref-0 mf-font-size-clientpref-small mw-mf-amc-clientpref-0";var cookie=document.cookie.match(/(?:^|; )enwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy","wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"be55f8f8-d6ad-4469-9da4-fae267546f95","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Sea_slug","wgTitle":"Sea slug","wgCurRevisionId":1258493814,"wgRevisionId":1258493814,"wgArticleId":549472,"wgIsArticle": true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Sea_slug","wgRelevantArticleId":549472,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":false,"wgFlaggedRevsParams":{"tags":{"status":{"levels":1}}},"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"},"wgMFMode":"stable","wgMFAmc":false,"wgMFAmcOutreachActive":false,"wgMFAmcOutreachUserEligible":false,"wgMFLazyLoadImages":true,"wgMFEditNoticesFeatureConflict":false,"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":false,"nearby":true},"wgMFIsSupportedEditRequest":true,"wgMFScriptPath":"", "wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":10000,"wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":true,"wgEditSubmitButtonLabelPublish":true,"wgSectionTranslationMissingLanguages":[{"lang":"ace","autonym":"Acèh","dir":"ltr"},{"lang":"ady","autonym":"адыгабзэ","dir":"ltr"},{"lang":"alt","autonym":"алтай тил","dir":"ltr"},{"lang":"am","autonym":"አማርኛ","dir":"ltr"},{"lang":"ami","autonym":"Pangcah","dir":"ltr"},{"lang":"an","autonym":"aragonés","dir":"ltr"},{"lang":"ang","autonym":"Ænglisc","dir":"ltr"},{"lang":"ann","autonym":"Obolo","dir":"ltr"},{"lang":"anp","autonym":"अंगिका","dir":"ltr"},{"lang":"ary","autonym":"الدارجة","dir":"rtl"},{"lang":"arz","autonym":"مصرى","dir":"rtl"},{"lang":"as","autonym":"অসমীয়া","dir":"ltr"},{"lang":"ast","autonym":"asturianu","dir":"ltr"},{"lang":"av","autonym":"авар","dir":"ltr"},{"lang":"avk","autonym":"Kotava","dir":"ltr"},{"lang":"awa","autonym": "अवधी","dir":"ltr"},{"lang":"ay","autonym":"Aymar aru","dir":"ltr"},{"lang":"az","autonym":"azərbaycanca","dir":"ltr"},{"lang":"azb","autonym":"تۆرکجه","dir":"rtl"},{"lang":"ba","autonym":"башҡортса","dir":"ltr"},{"lang":"ban","autonym":"Basa Bali","dir":"ltr"},{"lang":"bar","autonym":"Boarisch","dir":"ltr"},{"lang":"bbc","autonym":"Batak Toba","dir":"ltr"},{"lang":"bcl","autonym":"Bikol Central","dir":"ltr"},{"lang":"bdr","autonym":"Bajau Sama","dir":"ltr"},{"lang":"be","autonym":"беларуская","dir":"ltr"},{"lang":"bew","autonym":"Betawi","dir":"ltr"},{"lang":"bg","autonym":"български","dir":"ltr"},{"lang":"bho","autonym":"भोजपुरी","dir":"ltr"},{"lang":"bi","autonym":"Bislama","dir":"ltr"},{"lang":"bjn","autonym":"Banjar","dir":"ltr"},{"lang":"blk","autonym":"ပအိုဝ်ႏဘာႏသာႏ","dir":"ltr"},{"lang":"bm","autonym":"bamanankan","dir":"ltr"},{"lang":"bn","autonym":"বাংলা","dir":"ltr"},{"lang":"bo", "autonym":"བོད་ཡིག","dir":"ltr"},{"lang":"bpy","autonym":"বিষ্ণুপ্রিয়া মণিপুরী","dir":"ltr"},{"lang":"br","autonym":"brezhoneg","dir":"ltr"},{"lang":"bs","autonym":"bosanski","dir":"ltr"},{"lang":"btm","autonym":"Batak Mandailing","dir":"ltr"},{"lang":"bug","autonym":"Basa Ugi","dir":"ltr"},{"lang":"ca","autonym":"català","dir":"ltr"},{"lang":"cdo","autonym":"閩東語 / Mìng-dĕ̤ng-ngṳ̄","dir":"ltr"},{"lang":"ce","autonym":"нохчийн","dir":"ltr"},{"lang":"ceb","autonym":"Cebuano","dir":"ltr"},{"lang":"ch","autonym":"Chamoru","dir":"ltr"},{"lang":"chr","autonym":"ᏣᎳᎩ","dir":"ltr"},{"lang":"ckb","autonym":"کوردی","dir":"rtl"},{"lang":"co","autonym":"corsu","dir":"ltr"},{"lang":"cr","autonym":"Nēhiyawēwin / ᓀᐦᐃᔭᐍᐏᐣ","dir":"ltr"},{"lang":"crh","autonym":"qırımtatarca","dir":"ltr"},{"lang":"cs","autonym":"čeština","dir":"ltr"},{"lang":"cu","autonym": "словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ","dir":"ltr"},{"lang":"cy","autonym":"Cymraeg","dir":"ltr"},{"lang":"da","autonym":"dansk","dir":"ltr"},{"lang":"dag","autonym":"dagbanli","dir":"ltr"},{"lang":"de","autonym":"Deutsch","dir":"ltr"},{"lang":"dga","autonym":"Dagaare","dir":"ltr"},{"lang":"din","autonym":"Thuɔŋjäŋ","dir":"ltr"},{"lang":"diq","autonym":"Zazaki","dir":"ltr"},{"lang":"dsb","autonym":"dolnoserbski","dir":"ltr"},{"lang":"dtp","autonym":"Kadazandusun","dir":"ltr"},{"lang":"dv","autonym":"ދިވެހިބަސް","dir":"rtl"},{"lang":"dz","autonym":"ཇོང་ཁ","dir":"ltr"},{"lang":"ee","autonym":"eʋegbe","dir":"ltr"},{"lang":"el","autonym":"Ελληνικά","dir":"ltr"},{"lang":"eml","autonym":"emiliàn e rumagnòl","dir":"ltr"},{"lang":"eo","autonym":"Esperanto","dir":"ltr"},{"lang":"es","autonym":"español","dir":"ltr"},{"lang":"et","autonym":"eesti","dir":"ltr"},{"lang":"eu","autonym":"euskara","dir":"ltr"},{"lang":"fat","autonym":"mfantse","dir" :"ltr"},{"lang":"ff","autonym":"Fulfulde","dir":"ltr"},{"lang":"fi","autonym":"suomi","dir":"ltr"},{"lang":"fj","autonym":"Na Vosa Vakaviti","dir":"ltr"},{"lang":"fo","autonym":"føroyskt","dir":"ltr"},{"lang":"fon","autonym":"fɔ̀ngbè","dir":"ltr"},{"lang":"frp","autonym":"arpetan","dir":"ltr"},{"lang":"frr","autonym":"Nordfriisk","dir":"ltr"},{"lang":"fur","autonym":"furlan","dir":"ltr"},{"lang":"fy","autonym":"Frysk","dir":"ltr"},{"lang":"gag","autonym":"Gagauz","dir":"ltr"},{"lang":"gan","autonym":"贛語","dir":"ltr"},{"lang":"gcr","autonym":"kriyòl gwiyannen","dir":"ltr"},{"lang":"gl","autonym":"galego","dir":"ltr"},{"lang":"glk","autonym":"گیلکی","dir":"rtl"},{"lang":"gn","autonym":"Avañe'ẽ","dir":"ltr"},{"lang":"gom","autonym":"गोंयची कोंकणी / Gõychi Konknni","dir":"ltr"},{"lang":"gor","autonym":"Bahasa Hulontalo","dir":"ltr"},{"lang":"gpe","autonym":"Ghanaian Pidgin","dir":"ltr"},{"lang":"gu","autonym":"ગુજરાતી","dir":"ltr"},{ "lang":"guc","autonym":"wayuunaiki","dir":"ltr"},{"lang":"gur","autonym":"farefare","dir":"ltr"},{"lang":"guw","autonym":"gungbe","dir":"ltr"},{"lang":"gv","autonym":"Gaelg","dir":"ltr"},{"lang":"ha","autonym":"Hausa","dir":"ltr"},{"lang":"hak","autonym":"客家語 / Hak-kâ-ngî","dir":"ltr"},{"lang":"haw","autonym":"Hawaiʻi","dir":"ltr"},{"lang":"he","autonym":"עברית","dir":"rtl"},{"lang":"hi","autonym":"हिन्दी","dir":"ltr"},{"lang":"hif","autonym":"Fiji Hindi","dir":"ltr"},{"lang":"hr","autonym":"hrvatski","dir":"ltr"},{"lang":"hsb","autonym":"hornjoserbsce","dir":"ltr"},{"lang":"hu","autonym":"magyar","dir":"ltr"},{"lang":"hy","autonym":"հայերեն","dir":"ltr"},{"lang":"hyw","autonym":"Արեւմտահայերէն","dir":"ltr"},{"lang":"ia","autonym":"interlingua","dir":"ltr"},{"lang":"iba","autonym":"Jaku Iban","dir":"ltr"},{"lang":"ie","autonym":"Interlingue","dir":"ltr"},{"lang":"ig","autonym":"Igbo","dir":"ltr"},{"lang":"igl","autonym":"Igala","dir":"ltr" },{"lang":"ilo","autonym":"Ilokano","dir":"ltr"},{"lang":"io","autonym":"Ido","dir":"ltr"},{"lang":"is","autonym":"íslenska","dir":"ltr"},{"lang":"it","autonym":"italiano","dir":"ltr"},{"lang":"iu","autonym":"ᐃᓄᒃᑎᑐᑦ / inuktitut","dir":"ltr"},{"lang":"jam","autonym":"Patois","dir":"ltr"},{"lang":"jv","autonym":"Jawa","dir":"ltr"},{"lang":"ka","autonym":"ქართული","dir":"ltr"},{"lang":"kaa","autonym":"Qaraqalpaqsha","dir":"ltr"},{"lang":"kab","autonym":"Taqbaylit","dir":"ltr"},{"lang":"kbd","autonym":"адыгэбзэ","dir":"ltr"},{"lang":"kbp","autonym":"Kabɩyɛ","dir":"ltr"},{"lang":"kcg","autonym":"Tyap","dir":"ltr"},{"lang":"kg","autonym":"Kongo","dir":"ltr"},{"lang":"kge","autonym":"Kumoring","dir":"ltr"},{"lang":"ki","autonym":"Gĩkũyũ","dir":"ltr"},{"lang":"kk","autonym":"қазақша","dir":"ltr"},{"lang":"kl","autonym":"kalaallisut","dir":"ltr"},{"lang":"km","autonym":"ភាសាខ្មែរ","dir":"ltr"},{"lang":"kn","autonym": "ಕನ್ನಡ","dir":"ltr"},{"lang":"ko","autonym":"한국어","dir":"ltr"},{"lang":"koi","autonym":"перем коми","dir":"ltr"},{"lang":"krc","autonym":"къарачай-малкъар","dir":"ltr"},{"lang":"ks","autonym":"कॉशुर / کٲشُر","dir":"rtl"},{"lang":"ku","autonym":"kurdî","dir":"ltr"},{"lang":"kus","autonym":"Kʋsaal","dir":"ltr"},{"lang":"kv","autonym":"коми","dir":"ltr"},{"lang":"kw","autonym":"kernowek","dir":"ltr"},{"lang":"ky","autonym":"кыргызча","dir":"ltr"},{"lang":"lad","autonym":"Ladino","dir":"ltr"},{"lang":"lb","autonym":"Lëtzebuergesch","dir":"ltr"},{"lang":"lez","autonym":"лезги","dir":"ltr"},{"lang":"lg","autonym":"Luganda","dir":"ltr"},{"lang":"li","autonym":"Limburgs","dir":"ltr"},{"lang":"lij","autonym":"Ligure","dir":"ltr"},{"lang":"lld","autonym":"Ladin","dir":"ltr"},{"lang":"lmo","autonym":"lombard","dir":"ltr"},{"lang":"ln","autonym":"lingála","dir":"ltr"},{"lang":"lo","autonym":"ລາວ","dir":"ltr"},{"lang" :"lt","autonym":"lietuvių","dir":"ltr"},{"lang":"ltg","autonym":"latgaļu","dir":"ltr"},{"lang":"lv","autonym":"latviešu","dir":"ltr"},{"lang":"mad","autonym":"Madhurâ","dir":"ltr"},{"lang":"mai","autonym":"मैथिली","dir":"ltr"},{"lang":"map-bms","autonym":"Basa Banyumasan","dir":"ltr"},{"lang":"mdf","autonym":"мокшень","dir":"ltr"},{"lang":"mg","autonym":"Malagasy","dir":"ltr"},{"lang":"mhr","autonym":"олык марий","dir":"ltr"},{"lang":"mi","autonym":"Māori","dir":"ltr"},{"lang":"min","autonym":"Minangkabau","dir":"ltr"},{"lang":"mk","autonym":"македонски","dir":"ltr"},{"lang":"ml","autonym":"മലയാളം","dir":"ltr"},{"lang":"mn","autonym":"монгол","dir":"ltr"},{"lang":"mni","autonym":"ꯃꯤꯇꯩ ꯂꯣꯟ","dir":"ltr"},{"lang":"mnw","autonym":"ဘာသာမန်","dir":"ltr"},{"lang":"mos","autonym":"moore","dir":"ltr"},{"lang":"mr","autonym":"मराठी","dir":"ltr"},{"lang":"mrj","autonym":"кырык мары","dir": "ltr"},{"lang":"mt","autonym":"Malti","dir":"ltr"},{"lang":"mwl","autonym":"Mirandés","dir":"ltr"},{"lang":"my","autonym":"မြန်မာဘာသာ","dir":"ltr"},{"lang":"myv","autonym":"эрзянь","dir":"ltr"},{"lang":"mzn","autonym":"مازِرونی","dir":"rtl"},{"lang":"nah","autonym":"Nāhuatl","dir":"ltr"},{"lang":"nan","autonym":"閩南語 / Bân-lâm-gú","dir":"ltr"},{"lang":"nap","autonym":"Napulitano","dir":"ltr"},{"lang":"nb","autonym":"norsk bokmål","dir":"ltr"},{"lang":"nds","autonym":"Plattdüütsch","dir":"ltr"},{"lang":"nds-nl","autonym":"Nedersaksies","dir":"ltr"},{"lang":"ne","autonym":"नेपाली","dir":"ltr"},{"lang":"new","autonym":"नेपाल भाषा","dir":"ltr"},{"lang":"nia","autonym":"Li Niha","dir":"ltr"},{"lang":"nl","autonym":"Nederlands","dir":"ltr"},{"lang":"nn","autonym":"norsk nynorsk","dir":"ltr"},{"lang":"nqo","autonym":"ߒߞߏ","dir":"rtl"},{"lang":"nr","autonym":"isiNdebele seSewula","dir":"ltr"},{"lang":"nso", "autonym":"Sesotho sa Leboa","dir":"ltr"},{"lang":"ny","autonym":"Chi-Chewa","dir":"ltr"},{"lang":"oc","autonym":"occitan","dir":"ltr"},{"lang":"om","autonym":"Oromoo","dir":"ltr"},{"lang":"or","autonym":"ଓଡ଼ିଆ","dir":"ltr"},{"lang":"os","autonym":"ирон","dir":"ltr"},{"lang":"pa","autonym":"ਪੰਜਾਬੀ","dir":"ltr"},{"lang":"pag","autonym":"Pangasinan","dir":"ltr"},{"lang":"pam","autonym":"Kapampangan","dir":"ltr"},{"lang":"pap","autonym":"Papiamentu","dir":"ltr"},{"lang":"pcd","autonym":"Picard","dir":"ltr"},{"lang":"pcm","autonym":"Naijá","dir":"ltr"},{"lang":"pdc","autonym":"Deitsch","dir":"ltr"},{"lang":"pl","autonym":"polski","dir":"ltr"},{"lang":"pms","autonym":"Piemontèis","dir":"ltr"},{"lang":"pnb","autonym":"پنجابی","dir":"rtl"},{"lang":"ps","autonym":"پښتو","dir":"rtl"},{"lang":"pwn","autonym":"pinayuanan","dir":"ltr"},{"lang":"qu","autonym":"Runa Simi","dir":"ltr"},{"lang":"rm","autonym":"rumantsch","dir":"ltr"},{"lang":"rn","autonym": "ikirundi","dir":"ltr"},{"lang":"ro","autonym":"română","dir":"ltr"},{"lang":"rsk","autonym":"руски","dir":"ltr"},{"lang":"rue","autonym":"русиньскый","dir":"ltr"},{"lang":"rup","autonym":"armãneashti","dir":"ltr"},{"lang":"rw","autonym":"Ikinyarwanda","dir":"ltr"},{"lang":"sa","autonym":"संस्कृतम्","dir":"ltr"},{"lang":"sah","autonym":"саха тыла","dir":"ltr"},{"lang":"sat","autonym":"ᱥᱟᱱᱛᱟᱲᱤ","dir":"ltr"},{"lang":"sc","autonym":"sardu","dir":"ltr"},{"lang":"scn","autonym":"sicilianu","dir":"ltr"},{"lang":"sco","autonym":"Scots","dir":"ltr"},{"lang":"se","autonym":"davvisámegiella","dir":"ltr"},{"lang":"sg","autonym":"Sängö","dir":"ltr"},{"lang":"sgs","autonym":"žemaitėška","dir":"ltr"},{"lang":"sh","autonym":"srpskohrvatski / српскохрватски","dir":"ltr"},{"lang":"shi","autonym":"Taclḥit","dir":"ltr"},{"lang":"shn","autonym":"ၽႃႇသႃႇတႆး ","dir":"ltr"},{"lang":"si","autonym": "සිංහල","dir":"ltr"},{"lang":"sk","autonym":"slovenčina","dir":"ltr"},{"lang":"skr","autonym":"سرائیکی","dir":"rtl"},{"lang":"sl","autonym":"slovenščina","dir":"ltr"},{"lang":"sm","autonym":"Gagana Samoa","dir":"ltr"},{"lang":"smn","autonym":"anarâškielâ","dir":"ltr"},{"lang":"sn","autonym":"chiShona","dir":"ltr"},{"lang":"so","autonym":"Soomaaliga","dir":"ltr"},{"lang":"sq","autonym":"shqip","dir":"ltr"},{"lang":"sr","autonym":"српски / srpski","dir":"ltr"},{"lang":"srn","autonym":"Sranantongo","dir":"ltr"},{"lang":"ss","autonym":"SiSwati","dir":"ltr"},{"lang":"st","autonym":"Sesotho","dir":"ltr"},{"lang":"stq","autonym":"Seeltersk","dir":"ltr"},{"lang":"su","autonym":"Sunda","dir":"ltr"},{"lang":"sv","autonym":"svenska","dir":"ltr"},{"lang":"sw","autonym":"Kiswahili","dir":"ltr"},{"lang":"szl","autonym":"ślůnski","dir":"ltr"},{"lang":"ta","autonym":"தமிழ்","dir":"ltr"},{"lang":"tay","autonym":"Tayal","dir":"ltr"},{"lang":"tcy","autonym": "ತುಳು","dir":"ltr"},{"lang":"tdd","autonym":"ᥖᥭᥰ ᥖᥬᥲ ᥑᥨᥒᥰ","dir":"ltr"},{"lang":"te","autonym":"తెలుగు","dir":"ltr"},{"lang":"tet","autonym":"tetun","dir":"ltr"},{"lang":"tg","autonym":"тоҷикӣ","dir":"ltr"},{"lang":"th","autonym":"ไทย","dir":"ltr"},{"lang":"ti","autonym":"ትግርኛ","dir":"ltr"},{"lang":"tk","autonym":"Türkmençe","dir":"ltr"},{"lang":"tl","autonym":"Tagalog","dir":"ltr"},{"lang":"tly","autonym":"tolışi","dir":"ltr"},{"lang":"tn","autonym":"Setswana","dir":"ltr"},{"lang":"to","autonym":"lea faka-Tonga","dir":"ltr"},{"lang":"tpi","autonym":"Tok Pisin","dir":"ltr"},{"lang":"tr","autonym":"Türkçe","dir":"ltr"},{"lang":"trv","autonym":"Seediq","dir":"ltr"},{"lang":"ts","autonym":"Xitsonga","dir":"ltr"},{"lang":"tt","autonym":"татарча / tatarça","dir":"ltr"},{"lang":"tum","autonym":"chiTumbuka","dir":"ltr"},{"lang":"tw","autonym":"Twi","dir":"ltr"},{"lang":"ty","autonym":"reo tahiti","dir":"ltr"},{"lang": "tyv","autonym":"тыва дыл","dir":"ltr"},{"lang":"udm","autonym":"удмурт","dir":"ltr"},{"lang":"ur","autonym":"اردو","dir":"rtl"},{"lang":"uz","autonym":"oʻzbekcha / ўзбекча","dir":"ltr"},{"lang":"ve","autonym":"Tshivenda","dir":"ltr"},{"lang":"vec","autonym":"vèneto","dir":"ltr"},{"lang":"vep","autonym":"vepsän kel’","dir":"ltr"},{"lang":"vls","autonym":"West-Vlams","dir":"ltr"},{"lang":"vo","autonym":"Volapük","dir":"ltr"},{"lang":"vro","autonym":"võro","dir":"ltr"},{"lang":"wa","autonym":"walon","dir":"ltr"},{"lang":"war","autonym":"Winaray","dir":"ltr"},{"lang":"wo","autonym":"Wolof","dir":"ltr"},{"lang":"wuu","autonym":"吴语","dir":"ltr"},{"lang":"xal","autonym":"хальмг","dir":"ltr"},{"lang":"xh","autonym":"isiXhosa","dir":"ltr"},{"lang":"xmf","autonym":"მარგალური","dir":"ltr"},{"lang":"yi","autonym":"ייִדיש","dir":"rtl"},{"lang":"yo","autonym":"Yorùbá","dir":"ltr"},{"lang":"yue","autonym":"粵語","dir":"ltr"},{ "lang":"za","autonym":"Vahcuengh","dir":"ltr"},{"lang":"zgh","autonym":"ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ","dir":"ltr"},{"lang":"zh","autonym":"中文","dir":"ltr"},{"lang":"zu","autonym":"isiZulu","dir":"ltr"}],"wgSectionTranslationTargetLanguages":["ace","ady","alt","am","ami","an","ang","ann","anp","ar","ary","arz","as","ast","av","avk","awa","ay","az","azb","ba","ban","bar","bbc","bcl","bdr","be","bew","bg","bho","bi","bjn","blk","bm","bn","bo","bpy","br","bs","btm","bug","ca","cdo","ce","ceb","ch","chr","ckb","co","cr","crh","cs","cu","cy","da","dag","de","dga","din","diq","dsb","dtp","dv","dz","ee","el","eml","eo","es","et","eu","fa","fat","ff","fi","fj","fo","fon","fr","frp","frr","fur","fy","gag","gan","gcr","gl","glk","gn","gom","gor","gpe","gu","guc","gur","guw","gv","ha","hak","haw","he","hi","hif","hr","hsb","ht","hu","hy","hyw","ia","iba","ie","ig","igl","ilo","io","is","it","iu","ja","jam","jv","ka","kaa","kab","kbd","kbp","kcg","kg","kge","ki","kk","kl", "km","kn","ko","koi","krc","ks","ku","kus","kv","kw","ky","lad","lb","lez","lg","li","lij","lld","lmo","ln","lo","lt","ltg","lv","mad","mai","map-bms","mdf","mg","mhr","mi","min","mk","ml","mn","mni","mnw","mos","mr","mrj","ms","mt","mwl","my","myv","mzn","nah","nan","nap","nb","nds","nds-nl","ne","new","nia","nl","nn","nqo","nr","nso","ny","oc","om","or","os","pa","pag","pam","pap","pcd","pcm","pdc","pl","pms","pnb","ps","pt","pwn","qu","rm","rn","ro","rsk","rue","rup","rw","sa","sah","sat","sc","scn","sco","sd","se","sg","sgs","sh","shi","shn","si","sk","skr","sl","sm","smn","sn","so","sq","sr","srn","ss","st","stq","su","sv","sw","szl","ta","tay","tcy","tdd","te","tet","tg","th","ti","tk","tl","tly","tn","to","tpi","tr","trv","ts","tt","tum","tw","ty","tyv","udm","ur","uz","ve","vec","vep","vi","vls","vo","vro","wa","war","wo","wuu","xal","xh","xmf","yi","yo","yue","za","zgh","zh","zu"],"isLanguageSearcherCXEntrypointEnabled":true,"mintEntrypointLanguages":["ace","ast","azb","bcl", "bjn","bh","crh","ff","fon","ig","is","ki","ks","lmo","min","sat","ss","tn","vec"],"wgWikibaseItemId":"Q7440127","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false,"wgMinervaPermissions":{"watchable":true,"watch":false},"wgMinervaFeatures":{"beta":false,"donate":true,"mobileOptionsLink":true,"categories":false,"pageIssues":true,"talkAtTop":true,"historyInPageActions":false,"overflowSubmenu":false,"tabsOnSpecials":true,"personalMenu":false,"mainMenuExpanded":false,"echo":true,"nightMode":true},"wgMinervaDownloadNamespaces":[0]};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready", "skins.minerva.styles":"ready","skins.minerva.content.styles.images":"ready","mediawiki.hlist":"ready","skins.minerva.codex.styles":"ready","skins.minerva.icons":"ready","skins.minerva.amc.styles":"ready","ext.wikimediamessages.styles":"ready","mobile.init.styles":"ready","ext.relatedArticles.styles":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","mediawiki.page.media","site","mediawiki.page.ready","skins.minerva.scripts","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.switcher","ext.urlShortener.toolbar","ext.centralauth.centralautologin","ext.popups","mobile.init","ext.echo.centralauth","ext.relatedArticles.readMore.bootstrap","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.cx.eventlogging.campaigns","ext.cx.entrypoints.mffrequentlanguages","ext.cx.entrypoints.languagesearcher.init","mw.externalguidance.init","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession", "wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=en&modules=ext.cite.styles%7Cext.relatedArticles.styles%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cmediawiki.hlist%7Cmobile.init.styles%7Cskins.minerva.amc.styles%7Cskins.minerva.codex.styles%7Cskins.minerva.content.styles.images%7Cskins.minerva.icons%2Cstyles%7Cwikibase.client.init&only=styles&skin=minerva"> <script async="" src="/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=minerva"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&modules=site.styles&only=styles&skin=minerva"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta name="theme-color" content="#eaecf0"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Nembrotha_aurea_B.jpg/1200px-Nembrotha_aurea_B.jpg"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="900"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Nembrotha_aurea_B.jpg/800px-Nembrotha_aurea_B.jpg"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="600"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Nembrotha_aurea_B.jpg/640px-Nembrotha_aurea_B.jpg"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="480"> <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes, minimum-scale=0.25, maximum-scale=5.0"> <meta property="og:title" content="Sea slug - Wikipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="manifest" href="/w/api.php?action=webapp-manifest"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=Sea_slug&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (en)"> <link rel="EditURI" type="application/rsd+xml" href="//en.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://en.wikipedia.org/wiki/Sea_slug"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Sea_slug rootpage-Sea_slug stable issues-group-B skin-minerva action-view skin--responsive mw-mf-amc-disabled mw-mf"><div id="mw-mf-viewport"> <div id="mw-mf-page-center"> <a class="mw-mf-page-center__mask" href="#"></a> <header class="header-container header-chrome"> <div class="minerva-header"> <nav class="navigation-drawer toggle-list view-border-box"> <input type="checkbox" id="main-menu-input" class="toggle-list__checkbox" role="button" aria-haspopup="true" aria-expanded="false" aria-labelledby="mw-mf-main-menu-button"> <label role="button" for="main-menu-input" id="mw-mf-main-menu-button" aria-hidden="true" data-event-name="ui.mainmenu" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet toggle-list__toggle"> <span class="minerva-icon minerva-icon--menu"></span> <span></span> </label> <div id="mw-mf-page-left" class="menu view-border-box"> <ul id="p-navigation" class="toggle-list__list"> <li class="toggle-list-item "> <a class="toggle-list-item__anchor menu__item--home" href="/wiki/Main_Page" data-mw="interface"> <span class="minerva-icon minerva-icon--home"></span> <span class="toggle-list-item__label">Home</span> </a> </li> <li class="toggle-list-item "> <a class="toggle-list-item__anchor menu__item--random" href="/wiki/Special:Random" data-mw="interface"> <span class="minerva-icon minerva-icon--die"></span> <span class="toggle-list-item__label">Random</span> </a> </li> <li class="toggle-list-item skin-minerva-list-item-jsonly"> <a class="toggle-list-item__anchor menu__item--nearby" href="/wiki/Special:Nearby" data-event-name="menu.nearby" data-mw="interface"> <span class="minerva-icon minerva-icon--mapPin"></span> <span class="toggle-list-item__label">Nearby</span> </a> </li> </ul> <ul id="p-personal" class="toggle-list__list"> <li class="toggle-list-item "> <a class="toggle-list-item__anchor menu__item--login" href="/w/index.php?title=Special:UserLogin&returnto=Sea+slug" data-event-name="menu.login" data-mw="interface"> <span class="minerva-icon minerva-icon--logIn"></span> <span class="toggle-list-item__label">Log in</span> </a> </li> </ul> <ul id="pt-preferences" class="toggle-list__list"> <li class="toggle-list-item skin-minerva-list-item-jsonly"> <a class="toggle-list-item__anchor menu__item--settings" href="/w/index.php?title=Special:MobileOptions&returnto=Sea+slug" data-event-name="menu.settings" data-mw="interface"> <span class="minerva-icon minerva-icon--settings"></span> <span class="toggle-list-item__label">Settings</span> </a> </li> </ul> <ul id="p-donation" class="toggle-list__list"> <li class="toggle-list-item "> <a class="toggle-list-item__anchor menu__item--donate" href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_en.wikipedia.org&uselang=en&utm_key=minerva" data-event-name="menu.donate" data-mw="interface"> <span class="minerva-icon minerva-icon--heart"></span> <span class="toggle-list-item__label">Donate</span> </a> </li> </ul> <ul class="hlist"> <li class="toggle-list-item "> <a class="toggle-list-item__anchor menu__item--about" href="/wiki/Wikipedia:About" data-mw="interface"> <span class="toggle-list-item__label">About Wikipedia</span> </a> </li> <li class="toggle-list-item "> <a class="toggle-list-item__anchor menu__item--disclaimers" href="/wiki/Wikipedia:General_disclaimer" data-mw="interface"> <span class="toggle-list-item__label">Disclaimers</span> </a> </li> </ul> </div> <label class="main-menu-mask" for="main-menu-input"></label> </nav> <div class="branding-box"> <a href="/wiki/Main_Page"> <span><img src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" alt="Wikipedia" width="120" height="18" style="width: 7.5em; height: 1.125em;"/> </span> </a> </div> <form action="/w/index.php" method="get" class="minerva-search-form"> <div class="search-box"> <input type="hidden" name="title" value="Special:Search"/> <input class="search skin-minerva-search-trigger" id="searchInput" type="search" name="search" placeholder="Search Wikipedia" aria-label="Search Wikipedia" autocapitalize="sentences" title="Search Wikipedia [f]" accesskey="f"> <span class="search-box-icon-overlay"><span class="minerva-icon minerva-icon--search"></span> </span> </div> <button id="searchIcon" class="cdx-button cdx-button--size-large cdx-button--icon-only cdx-button--weight-quiet skin-minerva-search-trigger"> <span class="minerva-icon minerva-icon--search"></span> <span>Search</span> </button> </form> <nav class="minerva-user-navigation" aria-label="User navigation"> </nav> </div> </header> <main id="content" class="mw-body"> <div class="banner-container"> <div id="siteNotice"></div> </div> <div class="pre-content heading-holder"> <div class="page-heading"> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Sea slug</span></h1> <div class="tagline"></div> </div> <ul id="p-associated-pages" class="minerva__tab-container"> <li class="minerva__tab selected"> <a class="minerva__tab-text" href="/wiki/Sea_slug" rel="" data-event-name="tabs.subject">Article</a> </li> <li class="minerva__tab "> <a class="minerva__tab-text" href="/wiki/Talk:Sea_slug" rel="discussion" data-event-name="tabs.talk">Talk</a> </li> </ul> <nav class="page-actions-menu"> <ul id="p-views" class="page-actions-menu__list"> <li id="language-selector" class="page-actions-menu__list-item"> <a role="button" href="#p-lang" data-mw="interface" data-event-name="menu.languages" title="Language" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet language-selector"> <span class="minerva-icon minerva-icon--language"></span> <span>Language</span> </a> </li> <li id="page-actions-watch" class="page-actions-menu__list-item"> <a role="button" id="ca-watch" href="/w/index.php?title=Special:UserLogin&returnto=Sea+slug" data-event-name="menu.watch" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet menu__item--page-actions-watch"> <span class="minerva-icon minerva-icon--star"></span> <span>Watch</span> </a> </li> <li id="page-actions-edit" class="page-actions-menu__list-item"> <a role="button" id="ca-edit" href="/w/index.php?title=Sea_slug&action=edit" data-event-name="menu.edit" data-mw="interface" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet edit-page menu__item--page-actions-edit"> <span class="minerva-icon minerva-icon--edit"></span> <span>Edit</span> </a> </li> </ul> </nav>  <div id="mw-content-subtitle"></div> </div> <div id="bodyContent" class="content"> <div id="mw-content-text" class="mw-body-content"><script>function mfTempOpenSection(id){var block=document.getElementById("mf-section-"+id);block.className+=" open-block";block.previousSibling.className+=" open-block";}</script><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><section class="mf-section-0" id="mf-section-0"> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For the missile of the same name, see <a href="/wiki/Seaslug_(missile)" title="Seaslug (missile)">Seaslug (missile)</a>.</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Not to be confused with <a href="/wiki/Sea_cucumber" title="Sea cucumber">sea cucumber</a> or <a href="/wiki/Sea_snail" title="Sea snail">sea snail</a>.</div> <p><b>Sea slug</b> is a <a href="/wiki/Common_name" title="Common name">common name</a> for some <a href="/wiki/Marine_biology" title="Marine biology">marine</a> <a href="/wiki/Invertebrates" class="mw-redirect" title="Invertebrates">invertebrates</a> with varying levels of resemblance to terrestrial <a href="/wiki/Slug" title="Slug">slugs</a>. Most creatures known as sea slugs are <a href="/wiki/Gastropods" class="mw-redirect" title="Gastropods">gastropods</a>, i.e. they are <a href="/wiki/Sea_snail" title="Sea snail">sea snails</a> (marine gastropod <a href="/wiki/Mollusks" class="mw-redirect" title="Mollusks">mollusks</a>) that, over evolutionary time, have either entirely lost their shells or have seemingly lost their shells due to having a significantly reduced or internal shell.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> The name "sea slug" is often applied to <a href="/wiki/Nudibranch" title="Nudibranch">nudibranchs</a> and a <a href="/wiki/Paraphyletic" class="mw-redirect" title="Paraphyletic">paraphyletic</a> set of other marine gastropods without apparent <a href="/wiki/Gastropod_shell" title="Gastropod shell">shells</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Nembrotha_aurea_B.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Nembrotha_aurea_B.jpg/220px-Nembrotha_aurea_B.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Nembrotha_aurea_B.jpg/330px-Nembrotha_aurea_B.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Nembrotha_aurea_B.jpg/440px-Nembrotha_aurea_B.jpg 2x" data-file-width="1280" data-file-height="960"></a><figcaption>The <a href="/wiki/Nudibranch" title="Nudibranch">nudibranch</a> <i><a href="/wiki/Nembrotha_aurea" title="Nembrotha aurea">Nembrotha aurea</a></i> is a gastropod.</figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Fish3923_-_Flickr_-_NOAA_Photo_Library.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/db/Fish3923_-_Flickr_-_NOAA_Photo_Library.jpg/220px-Fish3923_-_Flickr_-_NOAA_Photo_Library.jpg" decoding="async" width="220" height="158" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/db/Fish3923_-_Flickr_-_NOAA_Photo_Library.jpg/330px-Fish3923_-_Flickr_-_NOAA_Photo_Library.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/db/Fish3923_-_Flickr_-_NOAA_Photo_Library.jpg/440px-Fish3923_-_Flickr_-_NOAA_Photo_Library.jpg 2x" data-file-width="2100" data-file-height="1507"></a><figcaption>A <a href="/wiki/Sea_cucumber" title="Sea cucumber">sea cucumber</a> also looks slug-like and is sometimes loosely called a "sea slug", but it is <i>not</i> a gastropod.</figcaption></figure> <p>Sea slugs have an enormous variation in body shape, color, and size. Most are partially translucent. The often bright colors of <a href="/wiki/Coral_reef" title="Coral reef">reef</a>-dwelling species imply that these animals are under constant threat of predators. Still, the color can warn other animals of the sea slug's toxic stinging cells (<a href="/wiki/Nematocysts" class="mw-redirect" title="Nematocysts">nematocysts</a>) or offensive taste. Like all <a href="/wiki/Gastropod" class="mw-redirect" title="Gastropod">gastropods</a>, they have small, razor-sharp teeth called <a href="/wiki/Radula" title="Radula">radulas</a>. Most sea slugs have a pair of <a href="/wiki/Rhinophore" title="Rhinophore">rhinophores</a>—sensory <a href="/wiki/Tentacles" class="mw-redirect" title="Tentacles">tentacles</a> used primarily for the sense of smell—on their head, with a small eye at the base of each rhinophore. Many have feathery structures (<a href="/wiki/Cerata" title="Cerata">cerata</a>) on the back, often in a contrasting color, which act as gills. All species of genuine sea slugs have a selected prey animal on which they depend for food, including certain <a href="/wiki/Jellyfish" title="Jellyfish">jellyfish</a>, <a href="/wiki/Bryozoans" class="mw-redirect" title="Bryozoans">bryozoans</a>, <a href="/wiki/Sea_anemones" class="mw-redirect" title="Sea anemones">sea anemones</a>, <a href="/wiki/Plankton" title="Plankton">plankton</a>, and other species of sea slugs.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>Sea slugs have brains. For example, <i>Aplysia californica</i> has a brain of about 20,000 nerve cells.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <div id="toc" class="toc" role="navigation" aria-labelledby="mw-toc-heading"><input type="checkbox" role="button" id="toctogglecheckbox" class="toctogglecheckbox" style="display:none"><div class="toctitle" lang="en" dir="ltr"><h2 id="mw-toc-heading">Contents</h2><span class="toctogglespan"><label class="toctogglelabel" for="toctogglecheckbox"></label></span></div> <ul> <li class="toclevel-1 tocsection-1"><a href="#Shell-less_marine_gastropods"><span class="tocnumber">1</span> <span class="toctext">Shell-less marine gastropods</span></a> <ul> <li class="toclevel-2 tocsection-2"><a href="#Gastropod_groups"><span class="tocnumber">1.1</span> <span class="toctext">Gastropod groups</span></a></li> </ul> </li> <li class="toclevel-1 tocsection-3"><a href="#Diversity_in_sea_slugs"><span class="tocnumber">2</span> <span class="toctext">Diversity in sea slugs</span></a></li> <li class="toclevel-1 tocsection-4"><a href="#References"><span class="tocnumber">3</span> <span class="toctext">References</span></a></li> </ul> </div> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(1)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="Shell-less_marine_gastropods">Shell-less marine gastropods</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Sea_slug&action=edit&section=1" title="Edit section: Shell-less marine gastropods" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-1 collapsible-block" id="mf-section-1"> <p>The name "sea slug" is often applied to numerous different evolutionary lineages of marine <a href="/wiki/Gastropod" class="mw-redirect" title="Gastropod">gastropod</a> <a href="/wiki/Mollusc" class="mw-redirect" title="Mollusc">molluscs</a> or <a href="/wiki/Sea_snail" title="Sea snail">sea snails</a>, specifically those gastropods that are either not conchiferous (shell-bearing) or appear not to be.<sup id="cite_ref-Frontiers_6-0" class="reference"><a href="#cite_note-Frontiers-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> In evolutionary terms, losing the shell altogether, having a small internal shell, or having a shell so small that the soft parts of the animal cannot retract into it, are all features that have evolved many times independently within the class Gastropoda, on land and in the sea; these features often cause a gastropod to be labeled with the common name "slug". </p> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Glossodoris_atromarginata.jpg" class="mw-file-description"><noscript><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Glossodoris_atromarginata.jpg/220px-Glossodoris_atromarginata.jpg" decoding="async" width="220" height="165" class="mw-file-element" data-file-width="1024" data-file-height="768"></noscript><span class="lazy-image-placeholder" style="width: 220px;height: 165px;" data-src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Glossodoris_atromarginata.jpg/220px-Glossodoris_atromarginata.jpg" data-width="220" data-height="165" data-srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Glossodoris_atromarginata.jpg/330px-Glossodoris_atromarginata.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Glossodoris_atromarginata.jpg/440px-Glossodoris_atromarginata.jpg 2x" data-class="mw-file-element"> </span></a><figcaption> The nudibranch <i><a href="/wiki/Glossodoris_atromarginata" class="mw-redirect" title="Glossodoris atromarginata">Glossodoris atromarginata</a></i></figcaption></figure> <p>Nudibranchs (clade <b><a href="/wiki/Nudibranch" title="Nudibranch">Nudibranchia</a></b>) are a large group of marine gastropods that have no shell at all. These may be the most familiar sort of sea slug. Although most nudibranchs are not large, they are often very eye-catching because so many species have brilliant coloration. In addition to nudibranchs, a number of other <a href="/wiki/Taxa" class="mw-redirect" title="Taxa">taxa</a> of marine gastropods (some easily mistaken for nudibranchs) are also often called "sea slugs".<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Gastropod_groups">Gastropod groups</h3><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Sea_slug&action=edit&section=2" title="Edit section: Gastropod groups" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div> <p>Within the various groups of gastropods that are called "sea slugs", numerous families are within the informal taxonomic group <b><a href="/wiki/Opisthobranchia" title="Opisthobranchia">Opisthobranchia</a></b>: </p> <dl><dd>The term "sea slug" is perhaps most often applied to <a href="/wiki/Nudibranch" title="Nudibranch">nudibranchs</a>, many of which are brightly patterned and conspicuously ornate. For two examples, see the images of <i><a href="/wiki/Nembrotha_aurea" title="Nembrotha aurea">Nembrotha aurea</a></i> and <i><a href="/wiki/Glossodoris_atromarginata" class="mw-redirect" title="Glossodoris atromarginata">Glossodoris atromarginata</a></i> within this article.</dd></dl> <dl><dd>The name "sea slug" is also often applied to the sacoglossans (clade <b><a href="/wiki/Sacoglossa" title="Sacoglossa">Sacoglossa</a></b>), the so-called sap-sucking or solar-powered sea slugs which are frequently a shade of green.</dd></dl> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Lettuce_Sea_Slug_11-03-2006.jpg" class="mw-file-description"><noscript><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lettuce_Sea_Slug_11-03-2006.jpg/220px-Lettuce_Sea_Slug_11-03-2006.jpg" decoding="async" width="220" height="165" class="mw-file-element" data-file-width="1200" data-file-height="900"></noscript><span class="lazy-image-placeholder" style="width: 220px;height: 165px;" data-src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lettuce_Sea_Slug_11-03-2006.jpg/220px-Lettuce_Sea_Slug_11-03-2006.jpg" data-width="220" data-height="165" data-srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lettuce_Sea_Slug_11-03-2006.jpg/330px-Lettuce_Sea_Slug_11-03-2006.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lettuce_Sea_Slug_11-03-2006.jpg/440px-Lettuce_Sea_Slug_11-03-2006.jpg 2x" data-class="mw-file-element"> </span></a><figcaption>The sacoglossan <i><a href="/wiki/Elysia_crispata" title="Elysia crispata">Elysia crispata</a></i></figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Chelidonura_varians.jpg" class="mw-file-description"><noscript><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Chelidonura_varians.jpg/220px-Chelidonura_varians.jpg" decoding="async" width="220" height="207" class="mw-file-element" data-file-width="1732" data-file-height="1631"></noscript><span class="lazy-image-placeholder" style="width: 220px;height: 207px;" data-src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Chelidonura_varians.jpg/220px-Chelidonura_varians.jpg" data-width="220" data-height="207" data-srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Chelidonura_varians.jpg/330px-Chelidonura_varians.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Chelidonura_varians.jpg/440px-Chelidonura_varians.jpg 2x" data-class="mw-file-element"> </span></a><figcaption>The cephalaspidean <i><a href="/wiki/Chelidonura_varians" title="Chelidonura varians">Chelidonura varians</a></i></figcaption></figure> <dl><dd>Another group of main gastropods that are often labeled as "sea slugs" are the various families of headshield slugs and <a href="/wiki/Bubble_snails" class="mw-redirect" title="Bubble snails">bubble snails</a> within the clade <b><a href="/wiki/Cephalaspidea" title="Cephalaspidea">Cephalaspidea</a></b>.</dd></dl> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Aplysia_dactylomela_2.jpg" class="mw-file-description"><noscript><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Aplysia_dactylomela_2.jpg/220px-Aplysia_dactylomela_2.jpg" decoding="async" width="220" height="165" class="mw-file-element" data-file-width="3648" data-file-height="2736"></noscript><span class="lazy-image-placeholder" style="width: 220px;height: 165px;" data-src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Aplysia_dactylomela_2.jpg/220px-Aplysia_dactylomela_2.jpg" data-width="220" data-height="165" data-srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Aplysia_dactylomela_2.jpg/330px-Aplysia_dactylomela_2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Aplysia_dactylomela_2.jpg/440px-Aplysia_dactylomela_2.jpg 2x" data-class="mw-file-element"> </span></a><figcaption>The <a href="/wiki/Sea_hare" class="mw-redirect" title="Sea hare">sea hare</a> <i><a href="/wiki/Aplysia_dactylomela" title="Aplysia dactylomela">Aplysia dactylomela</a></i>, photographed out of water</figcaption></figure> <dl><dd>The <a href="/wiki/Sea_hares" class="mw-redirect" title="Sea hares">sea hares</a>, clade <b><a href="/wiki/Aplysiomorpha" class="mw-redirect" title="Aplysiomorpha">Aplysiomorpha</a></b>, have a small, flat, <a href="/wiki/Proteinaceous" class="mw-redirect" title="Proteinaceous">proteinaceous</a> internal shell.</dd></dl> <dl><dd>The clades <b><a href="/wiki/Thecosomata" class="mw-redirect" title="Thecosomata">Thecosomata</a></b> and <b><a href="/wiki/Gymnosomata" class="mw-redirect" title="Gymnosomata">Gymnosomata</a></b> are small <a href="/wiki/Pelagic" class="mw-redirect" title="Pelagic">pelagic</a> gastropods known as "sea butterflies" and "sea angels". Many species of sea butterflies retain their shells. These are commonly known as "<a href="/wiki/Pteropods" class="mw-redirect" title="Pteropods">pteropods</a>" but are also sometimes called sea slugs; especially the Gymnosomata, which have no shell as adults.</dd></dl> <p>There is also one group of "sea slugs" within the informal group <b><a href="/wiki/Pulmonata" title="Pulmonata">Pulmonata</a></b>: </p> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Onchidella_celtica_0377.jpg" class="mw-file-description"><noscript><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/10/Onchidella_celtica_0377.jpg/220px-Onchidella_celtica_0377.jpg" decoding="async" width="220" height="326" class="mw-file-element" data-file-width="1439" data-file-height="2131"></noscript><span class="lazy-image-placeholder" style="width: 220px;height: 326px;" data-src="//upload.wikimedia.org/wikipedia/commons/thumb/1/10/Onchidella_celtica_0377.jpg/220px-Onchidella_celtica_0377.jpg" data-width="220" data-height="326" data-srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/10/Onchidella_celtica_0377.jpg/330px-Onchidella_celtica_0377.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/10/Onchidella_celtica_0377.jpg/440px-Onchidella_celtica_0377.jpg 2x" data-class="mw-file-element"> </span></a><figcaption>The marine pulmonate <i><a href="/wiki/Onchidella_celtica" title="Onchidella celtica">Onchidella celtica</a></i></figcaption></figure> <dl><dd>One very unusual group of marine gastropods that are shell-less are the pulmonate (air-breathing) species in the family <a href="/wiki/Onchidiidae" title="Onchidiidae">Onchidiidae</a>, within the clade <b><a href="/wiki/Systellommatophora" title="Systellommatophora">Systellommatophora</a></b>.<sup id="cite_ref-Fresh_8-0" class="reference"><a href="#cite_note-Fresh-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup></dd></dl> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(2)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="Diversity_in_sea_slugs">Diversity in sea slugs</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Sea_slug&action=edit&section=3" title="Edit section: Diversity in sea slugs" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-2 collapsible-block" id="mf-section-2"> <p>Like many nudibranchs, <i><a href="/wiki/Glaucus_atlanticus" title="Glaucus atlanticus">Glaucus atlanticus</a></i> can store and use stinging cells, or <a href="/wiki/Nematocysts" class="mw-redirect" title="Nematocysts">nematocysts</a>, from its prey (<a href="/wiki/Portuguese_man_o%27_war" title="Portuguese man o' war">Portuguese man o' war</a>) in its finger-like <a href="/wiki/Cerata" title="Cerata">cerata</a>.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> Other species, like the Pyjama slug <i><a href="/wiki/Chromodoris_quadricolor" title="Chromodoris quadricolor">Chromodoris quadricolor</a></i>, may use their striking colors to advertise their foul chemical taste. </p><p>The lettuce sea slug (<i><a href="/wiki/Elysia_crispata" title="Elysia crispata">Elysia crispata</a></i>) has lettuce-like ruffles that line its body. This slug, like other <a href="/wiki/Sacoglossa" title="Sacoglossa">Sacoglossa</a>, uses <a href="/wiki/Kleptoplasty" title="Kleptoplasty">kleptoplasty</a>, a process in which the slug absorbs <a href="/wiki/Chloroplasts" class="mw-redirect" title="Chloroplasts">chloroplasts</a> from the <a href="/wiki/Algae" title="Algae">algae</a> it eats, and uses "stolen" cells to <a href="/wiki/Photosynthesis" title="Photosynthesis">photosynthesize</a> sugars. The ruffles of the lettuce sea slug increase the slug's surface area, allowing the cells to absorb more light. </p><p>Headshield slugs, like the <i><a href="/wiki/Chelidonura_varians" title="Chelidonura varians">Chelidonura varians</a></i>, use their shovel-shaped heads to dig into the sand, where they spend most of their time. The shield also protects sand from entering the mantle during burrowing. </p><p><i><a href="/wiki/Peronia_indica" title="Peronia indica">Peronia indica</a></i> is a <a href="/wiki/Species" title="Species">species</a> of air-breathing sea slug, a shell-less <a href="/wiki/Marine_(ocean)" class="mw-redirect" title="Marine (ocean)">marine</a> <a href="/wiki/Pulmonate" class="mw-redirect" title="Pulmonate">pulmonate</a> <a href="/wiki/Gastropod" class="mw-redirect" title="Gastropod">gastropod</a> <a href="/wiki/Mollusk" class="mw-redirect" title="Mollusk">mollusk</a> in the <a href="/wiki/Family_(biology)" title="Family (biology)">family</a> <a href="/wiki/Onchidiidae" title="Onchidiidae">Onchidiidae</a>.<sup id="cite_ref-WoRMS_10-0" class="reference"><a href="#cite_note-WoRMS-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>The largest species of sea hare, the California black sea hare, <i><a href="/wiki/Aplysia_vaccaria" title="Aplysia vaccaria">Aplysia vaccaria</a></i> can reach a length of 75 centimetres (30 in) and a weight of 14 kilograms (31 lb).<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> Most sea hares have several defenses; in addition to being naturally toxic, they can eject a foul ink or secrete a viscous slime to deter predators. </p><p>Some species of <a href="/wiki/Acochlidiacea" title="Acochlidiacea">acochlidian</a> sea slugs have made evolutionary transitions to living in freshwater streams<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> and there is at least one evolutionary transition to land.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(3)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="References">References</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Sea_slug&action=edit&section=4" title="Edit section: References" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-3 collapsible-block" id="mf-section-3"> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFYonow2015" class="citation cs2">Yonow, Nathalie (2015), Rasul, Najeeb M.A.; Stewart, Ian C.F. (eds.), <a rel="nofollow" class="external text" href="https://doi.org/10.1007/978-3-662-45201-1_30">"Sea Slugs: Unexpected Biodiversity and Distribution"</a>, <i>The Red Sea: The Formation, Morphology, Oceanography and Environment of a Young Ocean Basin</i>, Springer Earth System Sciences, Berlin, Heidelberg: Springer, pp. 531–550, <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1007%2F978-3-662-45201-1_30">10.1007/978-3-662-45201-1_30</a>, <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-3-662-45201-1" title="Special:BookSources/978-3-662-45201-1"><bdi>978-3-662-45201-1</bdi></a><span class="reference-accessdate">, retrieved <span class="nowrap">2024-02-09</span></span></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Red+Sea%3A+The+Formation%2C+Morphology%2C+Oceanography+and+Environment+of+a+Young+Ocean+Basin&rft.atitle=Sea+Slugs%3A+Unexpected+Biodiversity+and+Distribution&rft.pages=531-550&rft.date=2015&rft_id=info%3Adoi%2F10.1007%2F978-3-662-45201-1_30&rft.isbn=978-3-662-45201-1&rft.aulast=Yonow&rft.aufirst=Nathalie&rft_id=https%3A%2F%2Fdoi.org%2F10.1007%2F978-3-662-45201-1_30&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASea+slug" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text">Thompson, T. E. 1976. Biology of opisthobranch molluscs, vol. 1, 207 pp., 21 pls. Ray Society, no. 151.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFByattFothergillHolmes2002" class="citation book cs1">Byatt, Andrew; Fothergill, Alastair; Holmes, Martha (2002). <i>The Blue Planet: A Natural History of the Oceans</i>. BBC. DK. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-7894-8265-5" title="Special:BookSources/978-0-7894-8265-5"><bdi>978-0-7894-8265-5</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Blue+Planet%3A+A+Natural+History+of+the+Oceans&rft.pub=DK&rft.date=2002&rft.isbn=978-0-7894-8265-5&rft.aulast=Byatt&rft.aufirst=Andrew&rft.au=Fothergill%2C+Alastair&rft.au=Holmes%2C+Martha&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASea+slug" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.encyclopedia.com/plants-and-animals/animals/zoology-invertebrates/sea-slug">"Sea Slug"</a>. <i>encyclopedia.com</i>. Oxford University Press. 18 May 2018.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=encyclopedia.com&rft.atitle=Sea+Slug&rft.date=2018-05-18&rft_id=https%3A%2F%2Fwww.encyclopedia.com%2Fplants-and-animals%2Fanimals%2Fzoology-invertebrates%2Fsea-slug&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASea+slug" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFChoi2006" class="citation web cs1">Choi, Charles Q. (29 December 2006). <a rel="nofollow" class="external text" href="https://www.scientificamerican.com/article/human-sea-slug-brains-sha">"Human, Sea Slug Brains Share Genes for Alzheimer's and Parkinson's"</a>. <i>Scientific American</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Scientific+American&rft.atitle=Human%2C+Sea+Slug+Brains+Share+Genes+for+Alzheimer%27s+and+Parkinson%27s&rft.date=2006-12-29&rft.aulast=Choi&rft.aufirst=Charles+Q.&rft_id=https%3A%2F%2Fwww.scientificamerican.com%2Farticle%2Fhuman-sea-slug-brains-sha&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASea+slug" class="Z3988"></span></span> </li> <li id="cite_note-Frontiers-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-Frontiers_6-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSchmitt,_V.Anthes,_N.Michiels,_N.K.2007" class="citation journal cs1">Schmitt, V.; Anthes, N.; Michiels, N.K. (July 2007). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1934903">"Mating behaviour in the sea slug <i>Elysia timida</i> (Opisthobranchia, Sacoglossa): hypodermic injection, sperm transfer and balanced reciprocity"</a>. <i>Frontiers in Zoology</i>. <b>4</b> (17). BioMed Central Ltd: 17. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1186%2F1742-9994-4-17">10.1186/1742-9994-4-17</a></span>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1934903">1934903</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/17610714">17610714</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Frontiers+in+Zoology&rft.atitle=Mating+behaviour+in+the+sea+slug+Elysia+timida+%28Opisthobranchia%2C+Sacoglossa%29%3A+hypodermic+injection%2C+sperm+transfer+and+balanced+reciprocity&rft.volume=4&rft.issue=17&rft.pages=17&rft.date=2007-07&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC1934903%23id-name%3DPMC&rft_id=info%3Apmid%2F17610714&rft_id=info%3Adoi%2F10.1186%2F1742-9994-4-17&rft.au=Schmitt%2C+V.&rft.au=Anthes%2C+N.&rft.au=Michiels%2C+N.K.&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC1934903&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASea+slug" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.seaslugforum.net/find/brthomp2">Thompson, T. E., & Brown, G.H., 1984. Biology of opisthobranch Molluscs. Vol. 2. Ray Society; London. 1-229, p.49</a></span> </li> <li id="cite_note-Fresh-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-Fresh_8-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://freshscience.org/2007/how-sea-slugs-fall-in-love">"How sea slugs fall in love"</a>. <i>freshscience.org</i>. 2007<span class="reference-accessdate">. Retrieved <span class="nowrap">2 May</span> 2014</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=freshscience.org&rft.atitle=How+sea+slugs+fall+in+love&rft.date=2007&rft_id=https%3A%2F%2Ffreshscience.org%2F2007%2Fhow-sea-slugs-fall-in-love&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASea+slug" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFThompsonBennett1969" class="citation journal cs1">Thompson, T. E.; Bennett, I. (1969-12-19). <a rel="nofollow" class="external text" href="https://www.science.org/doi/10.1126/science.166.3912.1532">"Physalia Nematocysts: Utilized by Mollusks for Defense"</a>. <i>Science</i>. <b>166</b> (3912): 1532–1533. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1969Sci...166.1532T">1969Sci...166.1532T</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1126%2Fscience.166.3912.1532">10.1126/science.166.3912.1532</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0036-8075">0036-8075</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/17742854">17742854</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Science&rft.atitle=Physalia+Nematocysts%3A+Utilized+by+Mollusks+for+Defense&rft.volume=166&rft.issue=3912&rft.pages=1532-1533&rft.date=1969-12-19&rft_id=info%3Adoi%2F10.1126%2Fscience.166.3912.1532&rft.issn=0036-8075&rft_id=info%3Apmid%2F17742854&rft_id=info%3Abibcode%2F1969Sci...166.1532T&rft.aulast=Thompson&rft.aufirst=T.+E.&rft.au=Bennett%2C+I.&rft_id=https%3A%2F%2Fwww.science.org%2Fdoi%2F10.1126%2Fscience.166.3912.1532&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASea+slug" class="Z3988"></span></span> </li> <li id="cite_note-WoRMS-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-WoRMS_10-0">^</a></b></span> <span class="reference-text">MolluscaBase (2019). MolluscaBase. Peronia indica (Labbé, 1934). Accessed through: World Register of Marine Species at: <a rel="nofollow" class="external free" href="http://www.marinespecies.org/aphia.php?p=taxdetails&id=1033079">http://www.marinespecies.org/aphia.php?p=taxdetails&id=1033079</a> on 2019-10-05</span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.marinespecies.org/aphia.php?p=taxdetails&id=240765">"WoRMS - World Register of Marine Species - Aplysia californica J. G. Cooper, 1863"</a>. <i>www.marinespecies.org</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2024-02-09</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.marinespecies.org&rft.atitle=WoRMS+-+World+Register+of+Marine+Species+-+Aplysia+californica+J.+G.+Cooper%2C+1863&rft_id=http%3A%2F%2Fwww.marinespecies.org%2Faphia.php%3Fp%3Dtaxdetails%26id%3D240765&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASea+slug" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSchrödlNeusser2010" class="citation journal cs1">Schrödl, Michael; Neusser, Timea P. (2010-01-01). <a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fj.1096-3642.2009.00544.x">"Towards a phylogeny and evolution of Acochlidia (Mollusca: Gastropoda: Opisthobranchia)"</a>. <i>Zoological Journal of the Linnean Society</i>. <b>158</b> (1): 124–154. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fj.1096-3642.2009.00544.x">10.1111/j.1096-3642.2009.00544.x</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0024-4082">0024-4082</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Zoological+Journal+of+the+Linnean+Society&rft.atitle=Towards+a+phylogeny+and+evolution+of+Acochlidia+%28Mollusca%3A+Gastropoda%3A+Opisthobranchia%29&rft.volume=158&rft.issue=1&rft.pages=124-154&rft.date=2010-01-01&rft_id=info%3Adoi%2F10.1111%2Fj.1096-3642.2009.00544.x&rft.issn=0024-4082&rft.aulast=Schr%C3%B6dl&rft.aufirst=Michael&rft.au=Neusser%2C+Timea+P.&rft_id=https%3A%2F%2Fdoi.org%2F10.1111%252Fj.1096-3642.2009.00544.x&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASea+slug" class="Z3988"></span></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKanoNeusserFukumoriJörger2015" class="citation journal cs1">Kano, Yasunori; Neusser, Timea P.; Fukumori, Hiroaki; Jörger, Katharina M.; Schrödl, Michael (2015-10-01). <a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fbij.12578">"Sea-slug invasion of the land"</a>. <i>Biological Journal of the Linnean Society</i>. <b>116</b> (2): 253–259. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fbij.12578">10.1111/bij.12578</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0024-4066">0024-4066</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Biological+Journal+of+the+Linnean+Society&rft.atitle=Sea-slug+invasion+of+the+land&rft.volume=116&rft.issue=2&rft.pages=253-259&rft.date=2015-10-01&rft_id=info%3Adoi%2F10.1111%2Fbij.12578&rft.issn=0024-4066&rft.aulast=Kano&rft.aufirst=Yasunori&rft.au=Neusser%2C+Timea+P.&rft.au=Fukumori%2C+Hiroaki&rft.au=J%C3%B6rger%2C+Katharina+M.&rft.au=Schr%C3%B6dl%2C+Michael&rft_id=https%3A%2F%2Fdoi.org%2F10.1111%252Fbij.12578&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASea+slug" class="Z3988"></span></span> </li> </ol></div></div><div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div>    </section></div> <noscript><img src="https://login.m.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&mobile=1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Sea_slug&oldid=1258493814">https://en.wikipedia.org/w/index.php?title=Sea_slug&oldid=1258493814</a>"</div></div> </div> <div class="post-content" id="page-secondary-actions"> </div> </main> <footer class="mw-footer minerva-footer" role="contentinfo"> <a class="last-modified-bar" href="/w/index.php?title=Sea_slug&action=history"> <div class="post-content last-modified-bar__content"> <span class="minerva-icon minerva-icon-size-medium minerva-icon--modified-history"></span> <span class="last-modified-bar__text modified-enhancement" data-user-name="EvanBaldonado" data-user-gender="unknown" data-timestamp="1732066418"> <span>Last edited on 20 November 2024, at 01:33</span> </span> <span class="minerva-icon minerva-icon-size-small minerva-icon--expand"></span> </div> </a> <div class="post-content footer-content"> <div id='mw-data-after-content'> <div class="read-more-container"></div> </div> <div id="p-lang"> <h4>Languages</h4> <section> <ul id="p-variants" class="minerva-languages"></ul> <ul class="minerva-languages"><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B1%D8%AE%D9%88%D9%8A%D8%A7%D8%AA_%D8%A8%D8%AD%D8%B1%D9%8A%D8%A9" title="رخويات بحرية – Arabic" lang="ar" hreflang="ar" data-title="رخويات بحرية" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AD%D9%84%D8%B2%D9%88%D9%86_%D8%A8%DB%8C%E2%80%8C%D8%B5%D8%AF%D9%81_%D8%AF%D8%B1%DB%8C%D8%A7%DB%8C%DB%8C" title="حلزون بی‌صدف دریایی – Persian" lang="fa" hreflang="fa" data-title="حلزون بی‌صدف دریایی" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Limace_de_mer" title="Limace de mer – French" lang="fr" hreflang="fr" data-title="Limace de mer" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Lintah_laut" title="Lintah laut – Indonesian" lang="id" hreflang="id" data-title="Lintah laut" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Kalmason_lanm%C3%A8" title="Kalmason lanmè – Haitian Creole" lang="ht" hreflang="ht" data-title="Kalmason lanmè" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haitian Creole" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Lintah_laut" title="Lintah laut – Malay" lang="ms" hreflang="ms" data-title="Lintah laut" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%A6%E3%83%9F%E3%82%A6%E3%82%B7" title="ウミウシ – Japanese" lang="ja" hreflang="ja" data-title="ウミウシ" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Lesma_marinha" title="Lesma marinha – Portuguese" lang="pt" hreflang="pt" data-title="Lesma marinha" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Sea_slug" title="Sea slug – Simple English" lang="en-simple" hreflang="en-simple" data-title="Sea slug" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D8%B3%D8%A7%D9%85%D9%88%D9%86%DA%8A%D9%8A_%DA%AF%DA%BE%D9%88%DA%AF%DA%BE%D9%8A%D8%AA%D9%88" title="سامونڊي گھوگھيتو – Sindhi" lang="sd" hreflang="sd" data-title="سامونڊي گھوگھيتو" data-language-autonym="سنڌي" data-language-local-name="Sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9C%D0%BE%D1%80%D1%81%D1%8C%D0%BA%D0%B8%D0%B9_%D1%81%D0%BB%D0%B8%D0%BC%D0%B0%D0%BA" title="Морський слимак – Ukrainian" lang="uk" hreflang="uk" data-title="Морський слимак" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/S%C3%AAn_bi%E1%BB%83n" title="Sên biển – Vietnamese" lang="vi" hreflang="vi" data-title="Sên biển" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li></ul> </section> </div> <div class="minerva-footer-logo"><img src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" alt="Wikipedia" width="120" height="18" style="width: 7.5em; height: 1.125em;"/> </div> <ul id="footer-info" class="footer-info hlist hlist-separated"> <li id="footer-info-lastmod"> This page was last edited on 20 November 2024, at 01:33<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Content is available under <a class="external" rel="nofollow" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">CC BY-SA 4.0</a> unless otherwise noted.</li> </ul> <ul id="footer-places" class="footer-places hlist hlist-separated"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Privacy policy</a></li> <li id="footer-places-about"><a href="/wiki/Wikipedia:About">About Wikipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikipedia:General_disclaimer">Disclaimers</a></li> <li id="footer-places-contact"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us">Contact Wikipedia</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code of Conduct</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Developers</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/en.wikipedia.org">Statistics</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Cookie statement</a></li> <li id="footer-places-terms-use"><a href="https://foundation.m.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use">Terms of Use</a></li> <li id="footer-places-desktop-toggle"><a id="mw-mf-display-toggle" href="//en.wikipedia.org/w/index.php?title=Sea_slug&mobileaction=toggle_view_desktop" data-event-name="switch_to_desktop">Desktop</a></li> </ul> </div> </footer> </div> </div> <div class="mw-notification-area" data-mw="interface"></div>  <script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-44nch","wgBackendResponseTime":631,"wgPageParseReport":{"limitreport":{"cputime":"0.350","walltime":"0.444","ppvisitednodes":{"value":852,"limit":1000000},"postexpandincludesize":{"value":23766,"limit":2097152},"templateargumentsize":{"value":420,"limit":2097152},"expansiondepth":{"value":8,"limit":100},"expensivefunctioncount":{"value":4,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":44519,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 387.172 1 -total"," 43.12% 166.962 1 Template:Reflist"," 23.16% 89.656 1 Template:Citation"," 23.02% 89.117 1 Template:Authority_control"," 20.92% 81.008 1 Template:Short_description"," 10.23% 39.603 2 Template:Pagetype"," 7.50% 29.045 3 Template:Main_other"," 7.07% 27.378 4 Template:Cite_journal"," 6.98% 27.017 1 Template:SDcat"," 5.93% 22.971 1 Template:For"]},"scribunto":{"limitreport-timeusage":{"value":"0.225","limit":"10.000"},"limitreport-memusage":{"value":5104730,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.main-f69cdc8f6-44nch","timestamp":"20241122140830","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Sea slug","url":"https:\/\/en.wikipedia.org\/wiki\/Sea_slug","sameAs":"http:\/\/www.wikidata.org\/entity\/Q7440127","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q7440127","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2004-03-24T21:02:13Z","dateModified":"2024-11-20T01:33:38Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/3\/3a\/Nembrotha_aurea_B.jpg","headline":"group of marine invertebrates with varying levels of resemblance to terrestrial slugs"}</script><script>(window.NORLQ=window.NORLQ||[]).push(function(){var ns,i,p,img;ns=document.getElementsByTagName('noscript');for(i=0;i<ns.length;i++){p=ns[i].nextSibling;if(p&&p.className&&p.className.indexOf('lazy-image-placeholder')>-1){img=document.createElement('img');img.setAttribute('src',p.getAttribute('data-src'));img.setAttribute('width',p.getAttribute('data-width'));img.setAttribute('height',p.getAttribute('data-height'));img.setAttribute('alt',p.getAttribute('data-alt'));p.parentNode.replaceChild(img,p);}}});</script> </body> </html>