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Aquatic Invasive Species | U.S. Fish & Wildlife Service

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We work to protect our waterways and the communities that depend on them from the threat of invasive species." /><meta property="og:image" content="https://www.fws.gov/sites/default/files/styles/facebook_1200x630/public/banner_images/2020-08/silver-carp-jumping-fox-river.jpg?h=499c4f86&amp;itok=nLL7WDII" /><meta property="og:image:type" content="image/jpeg" /><meta name="twitter:card" content="summary_large_image" /><meta name="twitter:site" content="@usfws" /><meta name="twitter:description" content="Aquatic invasive species cause tremendous harm to our environment, our economy, and our health. They can drive out and eat native plants and wildlife, spread diseases, and damage infrastructure. 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data-block="duckstampmegamenupromoblock" data-blocktitle="0" data-hidewhencollapse="" data-class=""><div class="type-of-block"><div class="block-inner"><section id="block-duckstampmegamenupromoblock" class="block block-block-content block-block-content7c7a6c05-13b3-4593-91f0-ff4b168c4096 block-mega-menu-promo-image clearfix"><div class="block-container"> <a href="/service/duck-stamps"><div class="field field--name-field-image field--type-entity-reference field--label-hidden field--item"> <img loading="lazy" src="/sites/default/files/styles/medium_square/public/2020-10/duck_stamp_2019_rotated.png?itok=KO4L_Q9Y" width="210" height="210" alt="Duck Stamp 2019" class="img-responsive" /></div> </a> <a href="/service/duck-stamps"><div class="field field--name-field-short-heading field--type-string field--label-hidden field--item">Duck Stamps</div> </a> <a href="/service/duck-stamps"><div class="field field--name-field-short-description field--type-string field--label-hidden field--item">One of the easiest ways that anyone can support bird habitat conservation is by buying duck stamps.</div> </a></div></section></div></div></div></div></div></div></li><li class="we-mega-menu-li dropdown-menu mb-item" data-level="0" data-element-type="we-mega-menu-li" description="" data-id="bd19bc30-50a8-4107-b80d-2791b2677f13" data-submenu="1" data-hide-sub-when-collapse="" data-group="0" data-class="" data-icon="" data-caption="" data-alignsub="" data-target=""> <a class="we-mega-menu-li" title="" href="/species" target=""> Species </a> <span class="nav-drilldown"><i class="fa fa-angle-right" aria-hidden="true"></i><span class="visible-hidden">Forward</span></span><div class="we-mega-menu-submenu mb-submenu" data-element-type="we-mega-menu-submenu" data-submenu-width="" data-class="" style="width: px"><div class="mb-back"><a href="#" class="back-icon"><i class="fa fa-angle-left" aria-hidden="true"></i><span class="visible-hidden">Back</span></a><span 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id="block-speciesgraywolfpromoblock" class="block block-block-content block-block-contentbabff9aa-93a1-4de5-86f0-d93c225adb0a block-mega-menu-promo-image clearfix"><div class="block-container"> <a href="/story/coolest-mammals-earth"><div class="field field--name-field-image field--type-entity-reference field--label-hidden field--item"> <img loading="lazy" src="/sites/default/files/styles/medium_square/public/2022-02/9-MexicanLong-TonguedBat-MerlinTuttle-Merlin%20Tuttle.org%20ONE%20TIME%20USE%20ONLY_0.jpg?itok=hYkXLM2H" width="210" height="210" alt="Mexican long tongued bat" class="img-responsive" /></div> </a> <a href="/story/coolest-mammals-earth"><div class="field field--name-field-short-heading field--type-string field--label-hidden field--item">Interest story</div> </a> <a href="/story/coolest-mammals-earth"><div class="field field--name-field-short-description field--type-string field--label-hidden field--item">Bats: “The Coolest Mammals on Earth”</div> 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src="/sites/default/files/styles/medium_square/public/2021-11/merritt_island_tour_bus_birding_blackpoint.jpg?itok=Jr4XoO3B" width="210" height="210" alt="A bus with birders tours Black Point Wildlife Drive, Merritt Island National Wildlife Refuge" class="img-responsive" /></div> </a> <a href="/activity/auto-tour"><div class="field field--name-field-short-heading field--type-string field--label-hidden field--item">Scenic Drives</div> </a> <a href="/activity/auto-tour"><div class="field field--name-field-short-description field--type-string field--label-hidden field--item">Tour routes of great scenic drives on National Wildlife Refuges.</div> </a></div></section></div></div></div></div></div></div></li><li class="we-mega-menu-li dropdown-menu mb-item" data-level="0" data-element-type="we-mega-menu-li" description="" data-id="4c84d120-d285-40d7-b69e-757d6a740063" data-submenu="1" data-hide-sub-when-collapse="" data-group="0" data-class="" data-icon="" data-caption="" data-alignsub="" 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class="block-container"> <a href="/volunteer-opportunity"><div class="field field--name-field-image field--type-entity-reference field--label-hidden field--item"> <img loading="lazy" src="/sites/default/files/styles/medium_square/public/2021-12/Drfit%20Creek%20Riparian%20Restoration%20March%202019%20%283%29.JPEG?itok=G2ojwBrx" width="210" height="210" alt="A volunteer at siletz bay plants trees" class="img-responsive" /></div> </a> <a href="/volunteer-opportunity"><div class="field field--name-field-short-heading field--type-string field--label-hidden field--item">Volunteer</div> </a> <a href="/volunteer-opportunity"><div class="field field--name-field-short-description field--type-string field--label-hidden field--item">Search for volunteer opportunities around the country</div> </a></div></section></div></div></div></div></div></div></li><li class="we-mega-menu-li dropdown-menu mb-item" data-level="0" data-element-type="we-mega-menu-li" description="" 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data-class=""><div class="type-of-block"><div class="block-inner"><section id="block-newsroommegamenupromoblock" class="block block-block-content block-block-contentfd9f267b-6b35-4e8a-8c3d-f8b8460d7df0 block-mega-menu-promo-image clearfix"><div class="block-container"> <a href="/news/wildlife-wonders"><div class="field field--name-field-image field--type-entity-reference field--label-hidden field--item"> <img loading="lazy" src="/sites/default/files/styles/medium_square/public/2021-08/Creatures_Big_and_Small_by_Kristie_Burns_neal_smith_photo_contest_winner_2018_best_of_show.jpg?itok=KjLLOrZP" width="210" height="210" alt="A hairy brown bison and calf stands nose to nose at Neal Smith National Wildlife Refuge in Iowa." class="img-responsive" /></div> </a> <a href="/news/wildlife-wonders"><div class="field field--name-field-short-heading field--type-string field--label-hidden field--item">Wild Things</div> </a> <a href="/news/wildlife-wonders"><div class="field field--name-field-short-description field--type-string field--label-hidden field--item">News about wonderful wild things and places</div> </a></div></section></div></div></div></div></div></div></li><li class="we-mega-menu-li dropdown-menu mb-item" data-level="0" data-element-type="we-mega-menu-li" description="" data-id="f462b366-6189-4a3c-ad6c-7516b998f8a6" data-submenu="1" data-hide-sub-when-collapse="" data-group="0" data-class="" data-icon="" data-caption="" data-alignsub="" data-target=""> <a class="we-mega-menu-li" title="" href="/initiatives" target=""> Initiatives </a> <span class="nav-drilldown"><i class="fa fa-angle-right" aria-hidden="true"></i><span class="visible-hidden">Forward</span></span><div class="we-mega-menu-submenu mb-submenu" data-element-type="we-mega-menu-submenu" data-submenu-width="" data-class="" style="width: px"><div class="mb-back"><a href="#" class="back-icon"><i class="fa fa-angle-left" aria-hidden="true"></i><span class="visible-hidden">Back</span></a><span class="parent-level"></span></div><div class="current-level"></div><div class="we-mega-menu-submenu-inner"><div class="we-mega-menu-row" data-element-type="we-mega-menu-row" data-custom-row="1"><div class="we-mega-menu-col span4" data-element-type="we-mega-menu-col" data-width="4" data-block="" data-blocktitle="0" data-hidewhencollapse="" data-class=""><ul class="nav nav-tabs subul"><li class="we-mega-menu-li mb-item" data-level="1" data-element-type="we-mega-menu-li" description="" data-id="9077b821-d573-423d-90fc-2de52dc47f74" data-submenu="0" data-hide-sub-when-collapse="" data-group="0" data-class="" data-icon="" data-caption="" data-alignsub="" data-target="_self"> <a class="we-mega-menu-li" title="" href="/initiatives" target="_self"> Initiatives </a></li><li class="we-mega-menu-li mb-item" data-level="1" data-element-type="we-mega-menu-li" description="" data-id="412aeb4e-9e75-4e3f-8a76-0115ce962451" data-submenu="0" 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description="" data-id="e2bddd15-f642-4122-98cc-459a03bd0132" data-submenu="0" data-hide-sub-when-collapse="" data-group="0" data-class="" data-icon="" data-caption="" data-alignsub="" data-target=""> <a class="we-mega-menu-li" title="" href="/initiative/pollinators" target=""> Pollinators </a></li><li class="we-mega-menu-li mb-item" data-level="1" data-element-type="we-mega-menu-li" description="" data-id="97d88ac1-2240-49ed-b5eb-8205a8edad72" data-submenu="0" data-hide-sub-when-collapse="" data-group="0" data-class="" data-icon="" data-caption="" data-alignsub="" data-target="_self"> <a class="we-mega-menu-li" title="" href="/initiative/protecting-wildlife" target="_self"> Protecting Wildlife </a></li></ul></div><div class="we-mega-menu-col span6" data-element-type="we-mega-menu-col" data-width="6" data-block="" data-blocktitle="0" data-hidewhencollapse="" data-class=""></div><div class="we-mega-menu-col span2" data-element-type="we-mega-menu-col" data-width="2" data-block="initiativemegamenublock" data-blocktitle="0" data-hidewhencollapse="" data-class=""><div class="type-of-block"><div class="block-inner"><section id="block-initiativemegamenublock" class="block block-block-content block-block-content24bb2b6e-0932-487d-8726-c8b10b7a21ea block-mega-menu-promo-image clearfix"><div class="block-container"> <a href="/initiative/climate-change"><div class="field field--name-field-image field--type-entity-reference field--label-hidden field--item"> <img loading="lazy" src="/sites/default/files/styles/medium_square/public/2021-06/polar-bears-arctic-nwr-steve-hillebrand-usfws.jpg?itok=XpANSqyN" width="210" height="210" alt="A distant view of two polar bears standing on a pebbled shoreline." class="img-responsive" /></div> </a> <a href="/initiative/climate-change"><div class="field field--name-field-short-heading field--type-string field--label-hidden field--item">Climate Action</div> </a> <a href="/initiative/climate-change"><div class="field field--name-field-short-description field--type-string field--label-hidden field--item">FWS is taking steps to mitigate climate impacts</div> </a></div></section></div></div></div></div></div></div></li><li class="we-mega-menu-li dropdown-menu mb-item" data-level="0" data-element-type="we-mega-menu-li" description="" data-id="2fa121a9-cdee-49cf-9354-c057c8f2194d" data-submenu="1" data-hide-sub-when-collapse="" data-group="0" data-class="" data-icon="" data-caption="" data-alignsub="" data-target=""> <a class="we-mega-menu-li" title="" href="/" target=""> I want to </a> <span class="nav-drilldown"><i class="fa fa-angle-right" aria-hidden="true"></i><span class="visible-hidden">Forward</span></span><div class="we-mega-menu-submenu mb-submenu" data-element-type="we-mega-menu-submenu" data-submenu-width="" data-class="" style="width: px"><div class="mb-back"><a href="#" class="back-icon"><i class="fa fa-angle-left" aria-hidden="true"></i><span class="visible-hidden">Back</span></a><span 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class="fws-banner-title">Aquatic Invasive Species</h1><div class="field field--name-field-banner-slideshow field--type-entity-reference-revisions field--label-hidden field--items"><div class="field--item"><div class="paragraph paragraph--type--slide paragraph--view-mode--default"><div class="field field--name-field-image field--type-entity-reference field--label-hidden field--item"><div class="image-with-credit"> <picture> <source srcset="/sites/default/files/styles/banner_image_xl/public/banner_images/2020-08/silver-carp-jumping-fox-river.jpg.webp?h=499c4f86&amp;itok=dfjTBCwI 1x" media="all and (min-width: 1200px)" type="image/webp" width="2560" height="710"/> <source srcset="/sites/default/files/styles/banner_image_lg/public/banner_images/2020-08/silver-carp-jumping-fox-river.jpg.webp?h=499c4f86&amp;itok=zoIKJJ55 1x" media="all and (min-width: 992px)" type="image/webp" width="1200" height="365"/> <source srcset="/sites/default/files/styles/banner_image_md/public/banner_images/2020-08/silver-carp-jumping-fox-river.jpg.webp?h=499c4f86&amp;itok=6Ks3Xzxa 1x" media="all and (min-width: 768px)" type="image/webp" width="992" height="365"/> <source srcset="/sites/default/files/styles/banner_image_sm/public/banner_images/2020-08/silver-carp-jumping-fox-river.jpg.webp?h=499c4f86&amp;itok=aY5nflXJ 1x" media="all and (min-width: 481px)" type="image/webp" width="768" height="475"/> <source srcset="/sites/default/files/styles/banner_image_xs/public/banner_images/2020-08/silver-carp-jumping-fox-river.jpg.webp?h=499c4f86&amp;itok=iutTtWti 1x" media="(max-width: 480px)" type="image/webp" width="480" height="700"/> <source srcset="/sites/default/files/styles/banner_image_xl/public/banner_images/2020-08/silver-carp-jumping-fox-river.jpg?h=499c4f86&amp;itok=dfjTBCwI 1x" media="all and (min-width: 1200px)" type="image/jpeg" width="2560" height="710"/> <source srcset="/sites/default/files/styles/banner_image_lg/public/banner_images/2020-08/silver-carp-jumping-fox-river.jpg?h=499c4f86&amp;itok=zoIKJJ55 1x" media="all and (min-width: 992px)" type="image/jpeg" width="1200" height="365"/> <source srcset="/sites/default/files/styles/banner_image_md/public/banner_images/2020-08/silver-carp-jumping-fox-river.jpg?h=499c4f86&amp;itok=6Ks3Xzxa 1x" media="all and (min-width: 768px)" type="image/jpeg" width="992" height="365"/> <source srcset="/sites/default/files/styles/banner_image_sm/public/banner_images/2020-08/silver-carp-jumping-fox-river.jpg?h=499c4f86&amp;itok=aY5nflXJ 1x" media="all and (min-width: 481px)" type="image/jpeg" width="768" height="475"/> <source srcset="/sites/default/files/styles/banner_image_xs/public/banner_images/2020-08/silver-carp-jumping-fox-river.jpg?h=499c4f86&amp;itok=iutTtWti 1x" media="(max-width: 480px)" type="image/jpeg" width="480" height="700"/> <img loading="lazy" src="/sites/default/files/styles/banner_image_xs/public/banner_images/2020-08/silver-carp-jumping-fox-river.jpg?h=499c4f86&amp;itok=iutTtWti" width="480" height="700" alt="" class="img-responsive" /> </picture><div class="attribution"> <a href="/media/silver-carp-jumping-fox-river-8">Image Details</a></div></div></div></div></div></div></div></section></div></div><div role="main" class="main-container container js-quickedit-main-content" id="main-content"><div class="row m-0"><div class="col-sm-12"><div class="region region-header"></div></div> <aside class="col-sidebar" role="complementary"><div class="region region-sidebar-first"> <section id="block-fwssubpagesmenu" class="block block-fws-subpages block-fws-subpages-menu clearfix"><div class="block-container"><ul class="menu menu--subpage menu--subpage--program nav" data-id-parent="c34c0582-1f0b-4769-9c6f-63f7aaf1617c"><li class="expanded"> <a href="https://www.fws.gov/program/aquatic-invasive-species" class="is-active first">Aquatic Invasive Species</a></li><li class=""> <a href="https://www.fws.gov/program/aquatic-invasive-species/what-we-do">What We Do</a></li><li class=""> <a href="https://www.fws.gov/program/aquatic-invasive-species/contact-us">Contact Us</a></li><li class=""> <a href="https://www.fws.gov/program/aquatic-invasive-species/get-involved">Get Involved</a></li><li class=""> <a href="https://www.fws.gov/program/aquatic-invasive-species/events">Events</a></li><li class=""> <a href="https://www.fws.gov/program/aquatic-invasive-species/news" class="last">News</a></li></ul></div></section></div> </aside> <section class="col-content"><div class="highlighted"><div class="region region-highlighted"><div data-drupal-messages-fallback class="hidden"></div></div></div><div class="region region-content"> <article class="program full clearfix"><div class="content"><div class="views-element-container form-group"><div class="view view-alert view-id-alert view-display-id-program_alerts js-view-dom-id-874570bfe8feb9749af4b347a40f7024ee312250aae72a80706610a8794f3089"></div></div><div class="field field--name-field-plaintext-description field--type-string-long field--label-hidden field--item">Aquatic invasive species cause tremendous harm to our environment, our economy, and our health. They can drive out and eat native plants and wildlife, spread diseases, and damage infrastructure. We work to protect our waterways and the communities that depend on them from the threat of invasive species.</div><div class="margin-block what-we-do"><h2>What We Do</h2><div class="our-services"><h4>Our Services</h4><div class="field field--name-field-our-services-desc field--type-text-long field--label-hidden field--item"><p><span><span><span><span><span>We safeguard waterways and communities from <span class="glossify-tooltip-link glossify-tooltip-popup" aria-label="An invasive species is any plant or animal that has spread or been introduced into a new area where they are, or could, cause harm to the environment, economy, or human, animal, or plant health. Their unwelcome presence can destroy ecosystems and cost millions of dollars.">invasive species <span class="glossify-tooltip-content"> <span class="glossify-content-header"><strong>invasive species</strong><span class="glossify-content-close"><i class="fas fa-times-circle"></i></span></span> <br> An invasive species is any plant or animal that has spread or been introduced into a new area where they are, or could, cause harm to the environment, economy, or human, animal, or plant health. Their unwelcome presence can destroy ecosystems and cost millions of dollars. <br><br> <a href="/glossary/invasive-species"> Learn more about invasive species </a> </span> </span> by working with our partners and educating the public. Our regional coordinators work closely with the public and private sector partners and our network of conservation offices to </span></span>conduct on-the-ground control projects and early detection surveillance and monitoring, and <span><span>provide technical support. The Service also develops regulations to prohibit the importation and some transport of harmful species known as injurious wildlife</span></span> and serves as a co-chair to the Aquatic Nuisance Species Task Force. </span></span></span></p></div></div><div class="our-project-and-initiatives"><h4>Our Projects and Initiatives</h4><div class="field field--name-field-our-project-description field--type-text-with-summary field--label-hidden field--item"><ul><li><span>Preventing Introductions</span></li><li><span>Early Detection Surveillance and Monitoring</span></li><li><span>Stopping the Spread</span></li><li><span>Suppressing Infestations</span></li><li><span>Educating the Public</span></li></ul></div></div><div><div class="simple-btn simple-btn-blue"><a href="/program/aquatic-invasive-species/what-we-do">More About What We Do</a></div></div></div><div class="latest-stories-and-topics margin-block"><h2>Latest Stories and Topics</h2><div class="stories-and-topics small-width-tabs"><div class="views-element-container form-group"><div class="stories view view-stories-topics view-id-stories_topics view-display-id-stories_related_to_program js-view-dom-id-ae210e3e5feae278838c65cd7b38b8d1f584a5be8309f8b355c4c4f9c4fac6f3"><div class="view-header"><div class="tabs-item">Stories</div></div><div class="view-content"><div class="story"><div class="views-field views-field-field-banner-image"><div class="field-content"></div></div><div class="views-field views-field-field-representative-image"><div class="field-content"> <img loading="lazy" src="/sites/default/files/styles/story_slider/public/images/2024-11/20240803-tetlin-preview-hupp-3159.jpg?h=0c170278&amp;itok=LCYfUQB8" width="390" height="295" alt="Man with a beard wearing a Marine veteran hat" class="img-responsive" /></div></div><div class="views-field views-field-fieldset"> <span class="field-content"><div class="story__deck"><div class="views-field views-field-fieldset-1"> <span class="field-content"><div class="category-information"><div class="views-field views-field-field-icon"><div class="field-content"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 500 500"> <defs><style>.a,.c{fill:#fff;}.a{fill-rule:evenodd;}.b{mask:url(#a);}</style><mask id="a" x="39.47" y="0" width="421.05" height="500" maskUnits="userSpaceOnUse"> <polygon class="a" points="460.53 0 460.53 500 39.47 500 39.47 0 460.53 0"></polygon> </mask> </defs> <g class="b"> <path d="M40,62.6C40,28,68.2,0,103,0H397.53c34.78,0,63,28,63,62.6l0,228.23C460.51,406.35,366.24,500,250,500S39.47,406.35,39.47,290.83L40,62.6"></path> </g> <path class="c" d="M84.35,133.72h331.3V291.2c0,90.88-74.15,164.59-165.64,164.59S84.35,382.09,84.35,291.2Z"></path></svg></div></div><div class="story__deck-category"><div>Our People</div></div></div></span></div><div class="story__deck-title"> <span><a href="/story/2024-11/veteran-protects-alaskas-waters" hreflang="en">Veteran protects Alaska&#039;s waters</a></span></div><div class="story__deck-body"><div>What do military service and invasive species prevention have in common? For Marine Corps veteran Steve Wogtech, it's about a lifelong commitment to serving others. At Alaska's busiest border crossing near Tetlin National Wildlife Refuge, Steve brings decades of public service experience to his...</div></div><div class="story__deck-date"><div><time datetime="2024-11-08T12:00:00Z">Nov 8, 2024</time></div></div></div></span></div></div><div class="story"><div class="views-field views-field-field-banner-image"><div class="field-content"></div></div><div class="views-field views-field-field-representative-image"><div class="field-content"> <img loading="lazy" src="/sites/default/files/styles/story_slider/public/images/2024-08/pxl_20240709_191237170.jpg?h=2848f5af&amp;itok=ysMPB69f" width="390" height="295" alt="Biologist on boat sample for aquatic invasive species." class="img-responsive" /></div></div><div class="views-field views-field-fieldset"> <span class="field-content"><div class="story__deck"><div class="views-field views-field-fieldset-1"> <span class="field-content"><div class="category-information"><div class="views-field views-field-field-icon"><div class="field-content"><svg xmlns="http://www.w3.org/2000/svg" id="Layer_1" data-name="Layer 1" viewBox="0 0 500 500"> <path d="M488,394,357.14,210V62.5h8.93c14.85,0,26.79-10.45,26.79-23.44V23.44c0-13-11.94-23.44-26.79-23.44H133.93c-14.85,0-26.79,10.45-26.79,23.44V39.06c0,13,11.94,23.44,26.79,23.44h8.93V210L12.05,394c-32.7,46,5,106,67.08,106H420.87C483,500,520.65,439.94,488,394Zm-334-81.54,53.8-75.78a28.37,28.37,0,0,0,6.47-18V62.5H285.6V218.75a28.81,28.81,0,0,0,6.48,18l53.79,75.78Z" transform="translate(-0.01)"></path></svg></div></div><div class="story__deck-category"><div>Science and Technology</div></div></div></span></div><div class="story__deck-title"> <span><a href="/story/all-hands-deck-early-detection" hreflang="en">All Hands on Deck for Early Detection</a></span></div><div class="story__deck-body"><div>In the words of Benjamin Franklin, “an ounce of prevention is worth a pound of cure.” For invasive species management this is often referred to as early detection and rapid response, or EDRR.</div></div><div class="story__deck-date"><div><time datetime="2024-08-27T12:00:00Z">Aug 27, 2024</time></div></div></div></span></div></div><div class="story"><div class="views-field views-field-field-banner-image"><div class="field-content"></div></div><div class="views-field views-field-field-representative-image"><div class="field-content"> <img loading="lazy" src="/sites/default/files/styles/story_slider/public/images/2024-08/picture1.jpg?h=394679b0&amp;itok=AwlwT6kO" width="390" height="295" alt="Watercraft inspector physically inspecting two kayaks on top of truck roof rack for aquatic invasive species." class="img-responsive" /></div></div><div class="views-field views-field-fieldset"> <span class="field-content"><div class="story__deck"><div class="views-field views-field-fieldset-1"> <span class="field-content"><div class="category-information"><div class="views-field views-field-field-icon"><div class="field-content"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 500 500"> <defs><style>.a,.b{fill:#fff;}.b{stroke:#000;stroke-miterlimit:10;}</style></defs> <circle cx="250" cy="250" r="250"></circle> <circle class="a" cx="250" cy="250" r="201.61"></circle> <path d="M350.75,122.84l-145.51,66.5a32.21,32.21,0,0,0-15.9,15.9l-66.5,145.51c-7.67,16.78,9.62,34.08,26.41,26.41l145.51-66.5a32.21,32.21,0,0,0,15.9-15.9l66.5-145.51c7.67-16.79-9.62-34.08-26.41-26.41Z"></path> <circle class="b" cx="250" cy="250" r="32.19"></circle></svg></div></div><div class="story__deck-category"><div>Recreation</div></div></div></span></div><div class="story__deck-title"> <span><a href="/story/preventing-dreissenid-mussels-entering-alaska" hreflang="en">Preventing dreissenid mussels from entering Alaska</a></span></div><div class="story__deck-body"><div>Just as Gandalf famously declared 'You shall not pass!' to protect the passageway from great evil in Lord of the Rings, we must continue a similar attitude in our prevention of zebra mussels. These tiny, invasive mussels pose a serious threat to our waterways, ecosystems, and infrastructure. By...</div></div><div class="story__deck-date"><div><time datetime="2024-08-19T12:00:00Z">Aug 19, 2024</time></div></div></div></span></div></div><div class="story"><div class="views-field views-field-field-banner-image"><div class="field-content"></div></div><div class="views-field views-field-field-representative-image"><div class="field-content"> <img loading="lazy" src="/sites/default/files/styles/story_slider/public/2021-08/zebra-mussel-nestled%20in-marimo-ball-credit-usgs.jpg?h=c74750f6&amp;itok=kjKDmODL" width="390" height="295" alt="zebra mussel nestled in a marimo moss ball" class="img-responsive" /></div></div><div class="views-field views-field-fieldset"> <span class="field-content"><div class="story__deck"><div class="views-field views-field-fieldset-1"> <span class="field-content"><div class="category-information"><div class="views-field views-field-field-icon"><div class="field-content"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" id="Layer_1" x="0px" y="0px" viewBox="0 0 500 500" style="enable-background:new 0 0 500 500;" xml:space="preserve"><path d="M94.1,11.4L11.4,94.1c-15.2,15.2-15.2,40,0,55.2l31.9,31.9c18.5,18.5,43.3,28.6,68.9,28.6c6.4,0,12.8-0.6,19.2-1.9 c8.5-1.7,16.4-4.6,24-8.3l107.7,107.7l-44.2,44.2c-12.2,12.2-12.2,32,0,44.2l66.3,66.3C334,510.8,461.9,506.1,484,484 s26.7-150.1-22.1-198.9l-66.3-66.3c-12.2-12.2-32-12.2-44.2,0l-44.2,44.2L199.6,155.4c3.7-7.5,6.6-15.5,8.3-24 c6.4-32-3.6-65-26.7-88.1l-31.9-31.9C134.1-3.8,109.3-3.8,94.1,11.4L94.1,11.4z M137.1,87.5c8.3,8.3,11.9,20.2,9.6,31.7 c-2.8,13.9-13.6,24.7-27.5,27.5c-11.6,2.3-23.3-1.3-31.6-9.6l-15.3-15.3l49.6-49.6L137.1,87.5z"></path></svg></div></div><div class="story__deck-category"><div>Get Involved</div></div></div></span></div><div class="story__deck-title"> <span><a href="/story/2024-08/zebra-mussels-arent-mossing-around" hreflang="en">Zebra mussels aren&#039;t &quot;mossing&quot; around</a></span></div><div class="story__deck-body"><div>On August 5, 2024, zebra mussel-infested Marimo moss balls were detected at an aquarium wholesaler in Washington state. This incident serves as an important reminder to remain vigilant and take action to ensure your aquariums and waterways stay zebra mussel free!</div></div><div class="story__deck-date"><div><time datetime="2024-08-12T12:00:00Z">Aug 12, 2024</time></div></div></div></span></div></div><div class="story"><div class="views-field views-field-field-banner-image"><div class="field-content"></div></div><div class="views-field views-field-field-representative-image"><div class="field-content"> <img loading="lazy" src="/sites/default/files/styles/story_slider/public/2023-01/P1020409%20%282%29.JPG?h=c244b21a&amp;itok=Ngjftdjc" width="390" height="295" alt="Staff member uses PCR to process eDNA samples" class="img-responsive" /></div></div><div class="views-field views-field-fieldset"> <span class="field-content"><div class="story__deck"><div class="views-field views-field-fieldset-1"> <span class="field-content"><div class="category-information"><div class="views-field views-field-field-icon"><div class="field-content"><svg xmlns="http://www.w3.org/2000/svg" id="Layer_1" data-name="Layer 1" viewBox="0 0 500 500"> <path d="M477.25,130.18,387.5,105l10.84-5.47a78.31,78.31,0,0,0,30-26.46L446,46.48a7.76,7.76,0,0,0-2.15-10.84l-13-8.69A7.76,7.76,0,0,0,420,29.1L402.44,55.66a45.8,45.8,0,0,1-18.06,15.92l-41.61,20.8-33-9.27,8.1-10.06a46.94,46.94,0,0,0,10.25-29.3V7.81A7.83,7.83,0,0,0,320.31,0H304.69a7.83,7.83,0,0,0-7.81,7.81V43.75a15.71,15.71,0,0,1-3.42,9.77L277.05,73.93l-15.72-4.4a15.59,15.59,0,0,1-11.43-15V7.81A7.83,7.83,0,0,0,242.09,0H226.46a7.84,7.84,0,0,0-7.81,7.81V54.49a46.85,46.85,0,0,0,34.18,45.12l77,21.68-33,66.21H62.5A62.56,62.56,0,0,0,0,250v62.5l31.25-20.8v47.75L19.63,370.51a62.58,62.58,0,0,0-2.15,37.11L41.8,488.18A15.64,15.64,0,0,0,56.93,500h62.31a15.65,15.65,0,0,0,15.14-19.43l-25.69-86.33,19-50.49H281.25V484.38A15.67,15.67,0,0,0,296.88,500h62.5A15.67,15.67,0,0,0,375,484.38V281.25l31.25-62.5h62.5A31.21,31.21,0,0,0,500,187.5V160.25A31.37,31.37,0,0,0,477.25,130.18Zm-71,41.7a15.63,15.63,0,1,1,15.63-15.63A15.68,15.68,0,0,1,406.25,171.88Z"></path></svg></div></div><div class="story__deck-category"><div>Wildlife Management</div></div></div></span></div><div class="story__deck-title"> <span><a href="/story/you-can-swim-you-cant-hide" hreflang="en">You can swim, but you can’t hide</a></span></div><div class="story__deck-body"><div>Scientists can detect invasive fish in the Great Lakes by identifying their DNA in the water.</div></div><div class="story__deck-date"><div><time datetime="2024-06-07T12:00:00Z">Jun 7, 2024</time></div></div></div></span></div></div><div class="story"><div class="views-field views-field-field-banner-image"><div class="field-content"></div></div><div class="views-field views-field-field-representative-image"><div class="field-content"> <img loading="lazy" src="/sites/default/files/styles/story_slider/public/images/2024-06/lake-trout-with-sea-lamprey_0.jpg?h=c7ebfed9&amp;itok=Yj2r_ALg" width="390" height="295" alt="A lake trout with red, circular wounds and a sea lamprey attached, eating its side." class="img-responsive" /></div></div><div class="views-field views-field-fieldset"> <span class="field-content"><div class="story__deck"><div class="views-field views-field-fieldset-1"> <span class="field-content"><div class="category-information"><div class="views-field views-field-field-icon"><div class="field-content"><svg xmlns="http://www.w3.org/2000/svg" id="Layer_1" data-name="Layer 1" viewBox="0 0 500 500"> <path d="M477.25,130.18,387.5,105l10.84-5.47a78.31,78.31,0,0,0,30-26.46L446,46.48a7.76,7.76,0,0,0-2.15-10.84l-13-8.69A7.76,7.76,0,0,0,420,29.1L402.44,55.66a45.8,45.8,0,0,1-18.06,15.92l-41.61,20.8-33-9.27,8.1-10.06a46.94,46.94,0,0,0,10.25-29.3V7.81A7.83,7.83,0,0,0,320.31,0H304.69a7.83,7.83,0,0,0-7.81,7.81V43.75a15.71,15.71,0,0,1-3.42,9.77L277.05,73.93l-15.72-4.4a15.59,15.59,0,0,1-11.43-15V7.81A7.83,7.83,0,0,0,242.09,0H226.46a7.84,7.84,0,0,0-7.81,7.81V54.49a46.85,46.85,0,0,0,34.18,45.12l77,21.68-33,66.21H62.5A62.56,62.56,0,0,0,0,250v62.5l31.25-20.8v47.75L19.63,370.51a62.58,62.58,0,0,0-2.15,37.11L41.8,488.18A15.64,15.64,0,0,0,56.93,500h62.31a15.65,15.65,0,0,0,15.14-19.43l-25.69-86.33,19-50.49H281.25V484.38A15.67,15.67,0,0,0,296.88,500h62.5A15.67,15.67,0,0,0,375,484.38V281.25l31.25-62.5h62.5A31.21,31.21,0,0,0,500,187.5V160.25A31.37,31.37,0,0,0,477.25,130.18Zm-71,41.7a15.63,15.63,0,1,1,15.63-15.63A15.68,15.68,0,0,1,406.25,171.88Z"></path></svg></div></div><div class="story__deck-category"><div>Wildlife Management</div></div></div></span></div><div class="story__deck-title"> <span><a href="/story/saying-see-ya-sea-lamprey" hreflang="en">Saying “see ya” to sea lamprey</a></span></div><div class="story__deck-body"><div>Controlling the invasive sea lamprey population in Lake Champlain benefits the ecosystem and supports recreational fishing.</div></div><div class="story__deck-date"><div><time datetime="2024-06-06T12:00:00Z">Jun 6, 2024</time></div></div></div></span></div></div></div><div class="view-footer"></div></div></div><div class="text-center"><div class="simple-btn simple-btn-blue"><a href="/program/aquatic-invasive-species/news">View All News</a></div></div></div></div><div class="one-image-block margin-block"><h2>Our Library</h2><div class="field field--name-field-library field--type-entity-reference-revisions field--label-hidden field--items"><div class="field--item"><div class="paragraph paragraph--type--promotable-news-story paragraph--view-mode--teaser"><div class="field field--name-field-news-story field--type-entity-reference field--label-hidden field--item"><article class="story teaser clearfix item-reference"><div class="content"><div class="layout layout--twocol-section layout--twocol-section--25-75"><div class="layout__region layout__region--first"> <section class="teaser-thumbnail block block-layout-builder block-field-blocknodestoryfield-banner-image clearfix"><div class="block-container"><div class="field field--name-field-banner-image field--type-entity-reference field--label-hidden field--item"> <a href="/story/what-aquatic-invasive-species" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/small_square/public/banner_images/2021-06/Sea-lamprey-T-Lawrence-Great-Lakes-Fishery-Commission-Creative-Commons.jpg?h=b4c7747a&amp;itok=s0GqSXTA" width="130" height="130" alt="The mouth of a sea lamprey - a large oral sucking disk full of sharp, horn-shaped teeth--makes the animal an efficient killer of fish.." class="img-responsive" /></a></div></div></section></div><div class="layout__region layout__region--second"> <section class="teaser-title block block-layout-builder block-field-blocknodestorytitle clearfix"><div class="block-container"><div class="field field--name-title field--type-string field--label-hidden field--item"><a href="/story/what-aquatic-invasive-species" hreflang="en">What is an aquatic invasive species?</a></div></div></section><section class="teaser-body block block-layout-builder block-field-blocknodestoryfield-plaintext-description clearfix"><div class="block-container"><div class="field field--name-field-plaintext-description field--type-string-long field--label-hidden field--item">An aquatic invasive species is a freshwater or marine organism that has spread or been introduced beyond its native range and is either causing harm or has the potential to cause harm.</div></div></section><section class="teaser-metadata teaser-metadata--first block block-layout-builder block-field-blocknodestorytype clearfix"><div class="block-container"><div class="field field--name-type field--type-entity-reference field--label-hidden field--item">Story</div></div></section><section class="teaser-metadata teaser-metadata--middle block block-layout-builder block-field-blocknodestoryfield-post-date clearfix"><div class="block-container"><div class="field field--name-field-post-date field--type-datetime field--label-hidden field--item"><time datetime="2021-08-03T12:00:00Z">Aug 3, 2021</time></div></div></section><section class="teaser-metadata teaser-metadata--last block block-layout-builder block-field-blocknodestoryfield-story-category clearfix"><div class="block-container"><div class="field field--name-field-story-category field--type-entity-reference field--label-hidden field--item">Get Involved</div></div></section></div></div></div></article></div></div></div><div class="field--item"><div class="paragraph paragraph--type--promotable-news-story paragraph--view-mode--teaser"><div class="field field--name-field-news-story field--type-entity-reference field--label-hidden field--item"><article class="story teaser clearfix item-reference"><div class="content"><div class="layout layout--twocol-section layout--twocol-section--25-75"><div class="layout__region layout__region--first"> <section class="teaser-thumbnail block block-layout-builder block-field-blocknodestoryfield-banner-image clearfix"><div class="block-container"></div></section><section class="teaser-thumbnail block block-layout-builder block-field-blocknodestoryfield-representative-image clearfix"><div class="block-container"><div class="field field--name-field-representative-image field--type-entity-reference field--label-hidden field--item"> <a href="/story/clean-drain-dry" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/small_square/public/2021-10/SAH_Brand_Icon.jpg?h=80c0b1a9&amp;itok=X-Q5A-H9" width="130" height="130" alt="A graphic showing a red stop sign with a boat on a ramp. " class="img-responsive" /></a></div></div></section></div><div class="layout__region layout__region--second"> <section class="teaser-title block block-layout-builder block-field-blocknodestorytitle clearfix"><div class="block-container"><div class="field field--name-title field--type-string field--label-hidden field--item"><a href="/story/clean-drain-dry" hreflang="en">Clean, Drain, Dry</a></div></div></section><section class="teaser-body block block-layout-builder block-field-blocknodestoryfield-plaintext-description clearfix"><div class="block-container"><div class="field field--name-field-plaintext-description field--type-string-long field--label-hidden field--item">Preventing the spread of aquatic invasive species starts with all of us. By working together we can protect our aquatic resources and recreational opportunities for future generations.</div></div></section><section class="teaser-metadata teaser-metadata--first block block-layout-builder block-field-blocknodestorytype clearfix"><div class="block-container"><div class="field field--name-type field--type-entity-reference field--label-hidden field--item">Story</div></div></section><section class="teaser-metadata teaser-metadata--middle block block-layout-builder block-field-blocknodestoryfield-post-date clearfix"><div class="block-container"><div class="field field--name-field-post-date field--type-datetime field--label-hidden field--item"><time datetime="2021-10-07T12:00:00Z">Oct 7, 2021</time></div></div></section><section class="teaser-metadata teaser-metadata--last block block-layout-builder block-field-blocknodestoryfield-story-category clearfix"><div class="block-container"><div class="field field--name-field-story-category field--type-entity-reference field--label-hidden field--item">Recreation</div></div></section></div></div></div></article></div></div></div><div class="field--item"><div class="paragraph paragraph--type--promotable-news-story paragraph--view-mode--teaser"><div class="field field--name-field-news-story field--type-entity-reference field--label-hidden field--item"><article class="story teaser clearfix item-reference"><div class="content"><div class="layout layout--twocol-section layout--twocol-section--25-75"><div class="layout__region layout__region--first"> <section class="teaser-thumbnail block block-layout-builder block-field-blocknodestoryfield-banner-image clearfix"><div class="block-container"><div class="field field--name-field-banner-image field--type-entity-reference field--label-hidden field--item"> <a href="/story/five-ways-protect-our-waters" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/small_square/public/banner_images/2021-08/28612326227_7a92ef4447_6k.jpg?h=bbce836c&amp;itok=8xdBBhLn" width="130" height="130" alt="A person sprays off the bottom of a boat." class="img-responsive" /></a></div></div></section></div><div class="layout__region layout__region--second"> <section class="teaser-title block block-layout-builder block-field-blocknodestorytitle clearfix"><div class="block-container"><div class="field field--name-title field--type-string field--label-hidden field--item"><a href="/story/five-ways-protect-our-waters" hreflang="en">Five Ways to Protect Our Waters</a></div></div></section><section class="teaser-body block block-layout-builder block-field-blocknodestoryfield-plaintext-description clearfix"><div class="block-container"><div class="field field--name-field-plaintext-description field--type-string-long field--label-hidden field--item">Preventing the spread of aquatic invasive species starts with you. By taking a few simple steps you can protect our aquatic resources and ensure that these harmful species do not spread into new areas.</div></div></section><section class="teaser-metadata teaser-metadata--first block block-layout-builder block-field-blocknodestorytype clearfix"><div class="block-container"><div class="field field--name-type field--type-entity-reference field--label-hidden field--item">Story</div></div></section><section class="teaser-metadata teaser-metadata--middle block block-layout-builder block-field-blocknodestoryfield-post-date clearfix"><div class="block-container"><div class="field field--name-field-post-date field--type-datetime field--label-hidden field--item"><time datetime="2021-08-18T12:00:00Z">Aug 18, 2021</time></div></div></section><section class="teaser-metadata teaser-metadata--last block block-layout-builder block-field-blocknodestoryfield-story-category clearfix"><div class="block-container"><div class="field field--name-field-story-category field--type-entity-reference field--label-hidden field--item">Get Involved</div></div></section></div></div></div></article></div></div></div><div class="field--item"><div class="paragraph paragraph--type--promotable-news-story paragraph--view-mode--teaser"><div class="field field--name-field-news-story field--type-entity-reference field--label-hidden field--item"><article class="story teaser clearfix item-reference"><div class="content"><div class="layout layout--twocol-section layout--twocol-section--25-75"><div class="layout__region layout__region--first"> <section class="teaser-thumbnail block block-layout-builder block-field-blocknodestoryfield-banner-image clearfix"><div class="block-container"></div></section><section class="teaser-thumbnail block block-layout-builder block-field-blocknodestoryfield-representative-image clearfix"><div class="block-container"><div class="field field--name-field-representative-image field--type-entity-reference field--label-hidden field--item"> <a href="/story/2021-03/invasive-zebra-mussels-found-moss-balls" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/small_square/public/2021-08/zebra-mussel-nestled%20in-marimo-ball-credit-usgs.jpg?h=c74750f6&amp;itok=WiZ9cLDD" width="130" height="130" alt="zebra mussel nestled in a marimo moss ball" class="img-responsive" /></a></div></div></section></div><div class="layout__region layout__region--second"> <section class="teaser-title block block-layout-builder block-field-blocknodestorytitle clearfix"><div class="block-container"><div class="field field--name-title field--type-string field--label-hidden field--item"><a href="/story/2021-03/invasive-zebra-mussels-found-moss-balls" hreflang="en">Invasive Zebra Mussels Found in Moss Balls</a></div></div></section><section class="teaser-body block block-layout-builder block-field-blocknodestoryfield-plaintext-description clearfix"><div class="block-container"><div class="field field--name-field-plaintext-description field--type-string-long field--label-hidden field--item">Invasive zebra mussels have been found in "moss balls," a plant product sold at aquarium and pet supply stores, garden centers, florist shops, and online retailers.&nbsp;Zebra mussels are regarded as one of the most destructive invasive species in North America and there is concern that live mussels...</div></div></section><section class="teaser-metadata teaser-metadata--first block block-layout-builder block-field-blocknodestorytype clearfix"><div class="block-container"><div class="field field--name-type field--type-entity-reference field--label-hidden field--item">Story</div></div></section><section class="teaser-metadata teaser-metadata--middle block block-layout-builder block-field-blocknodestoryfield-post-date clearfix"><div class="block-container"><div class="field field--name-field-post-date field--type-datetime field--label-hidden field--item"><time datetime="2021-03-12T12:00:00Z">Mar 12, 2021</time></div></div></section><section class="teaser-metadata teaser-metadata--last block block-layout-builder block-field-blocknodestoryfield-story-category clearfix"><div class="block-container"><div class="field field--name-field-story-category field--type-entity-reference field--label-hidden field--item">Science and Technology</div></div></section></div></div></div></article></div></div></div><div class="field--item"><div class="paragraph paragraph--type--promotable-news-story paragraph--view-mode--teaser"><div class="field field--name-field-news-story field--type-entity-reference field--label-hidden field--item"><article class="story teaser clearfix item-reference"><div class="content"><div class="layout layout--twocol-section layout--twocol-section--25-75"><div class="layout__region layout__region--first"> <section class="teaser-thumbnail block block-layout-builder block-field-blocknodestoryfield-banner-image clearfix"><div class="block-container"></div></section><section class="teaser-thumbnail block block-layout-builder block-field-blocknodestoryfield-representative-image clearfix"><div class="block-container"><div class="field field--name-field-representative-image field--type-entity-reference field--label-hidden field--item"> <a href="/story/how-break-your-goldfish" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/small_square/public/2021-08/Marcus%20with%20gold%20fish%20USFWS.jpg?h=1c9b88c9&amp;itok=4GKGBksj" width="130" height="130" alt="A person stands in front of a lake and holds a large goldfish up to the camera." class="img-responsive" /></a></div></div></section></div><div class="layout__region layout__region--second"> <section class="teaser-title block block-layout-builder block-field-blocknodestorytitle clearfix"><div class="block-container"><div class="field field--name-title field--type-string field--label-hidden field--item"><a href="/story/how-break-your-goldfish" hreflang="en">How to Break Up with Your Goldfish</a></div></div></section><section class="teaser-body block block-layout-builder block-field-blocknodestoryfield-plaintext-description clearfix"><div class="block-container"><div class="field field--name-field-plaintext-description field--type-string-long field--label-hidden field--item">Goldfish can seem like the ideal low maintenance pet. But if you are no longer able to care for your them, it can be difficult to know what to do with your fishy friend.</div></div></section><section class="teaser-metadata teaser-metadata--first block block-layout-builder block-field-blocknodestorytype clearfix"><div class="block-container"><div class="field field--name-type field--type-entity-reference field--label-hidden field--item">Story</div></div></section><section class="teaser-metadata teaser-metadata--middle block block-layout-builder block-field-blocknodestoryfield-post-date clearfix"><div class="block-container"><div class="field field--name-field-post-date field--type-datetime field--label-hidden field--item"><time datetime="2021-08-03T12:00:00Z">Aug 3, 2021</time></div></div></section><section class="teaser-metadata teaser-metadata--last block block-layout-builder block-field-blocknodestoryfield-story-category clearfix"><div class="block-container"><div class="field field--name-field-story-category field--type-entity-reference field--label-hidden field--item">Wildlife Management</div></div></section></div></div></div></article></div></div></div></div><div><div class="simple-btn simple-btn-blue"><a href="/program/aquatic-invasive-species/library">View Our Library</a></div></div></div></div></article></div> </section></div></div> <footer class="footer" role="contentinfo"><div class="footer-top"><div class="container"><div class="row"><div class="col-sm-6 first"><div class="region region-footer-left"> <section id="block-footerslogan-2" class="block block-block-content block-block-content2b9f2f93-be4f-4b65-bb23-a4aaa63f02a1 clearfix"><div class="block-container"><div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><div class="footer-slogan"><div class="image-wrapper"><img alt="U.S. Fish and Wildlife Service Logo" src="/themes/custom/fws_gov/logo.svg" /></div><p>Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people.</p></div></div></div></section></div></div><div class="col-sm-2"><div class="region region-footer-right-left"> <nav role="navigation" aria-labelledby="block-footermenuemployment-menu" id="block-footermenuemployment"><h2 class="visually-hidden" id="block-footermenuemployment-menu">Footer Menu - 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