Myocastor coypus
Myocastor coypus
(nutria)
Mammals
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

176 results for Myocastor coypus (nutria)
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Click here for listing in all states

Page:12345678
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
258022 WAClarkColumbia River/Hayden Island2007 17080003 Lower Columbia-Clatskanieestablished
1896051 WAClarkIn a wetland/marsh behind Walmart2024 17080003 Lower Columbia-Clatskanie 
163872 WAClarkRidgefield National Wildlife Refuge2005 17080003 Lower Columbia-Clatskanieestablished
1656910 WAClarkRidgefield National Wildlife Refuge2021 17080003 Lower Columbia-Clatskanieestablished
1896061 WAClarkSalmon Creek, Pond near Salmon Creek2024 17080003 Lower Columbia-Clatskanie 
1896060 WAClarkShin Etsu Factory2024 17080003 Lower Columbia-Clatskanie 
163873 WAClarkSteigerwald Lake National Wildlife Refuge2005 17080001 Lower Columbia-Sandyestablished
1896053 WAClarkUnnamed Waterbody, Retention pond near private residence2024 17080003 Lower Columbia-Clatskanie 
1896054 WACowlitz1500 Dike Access Rd, Woodland, WA 986742024 17080003 Lower Columbia-Clatskanie 
255112 WACowlitzAbernathy Creek2007 17080003 Lower Columbia-Clatskanieestablished
1896057 WACowlitzalong the Pacific Way Trail2024 17080003 Lower Columbia-Clatskanie 
255114 WACowlitzCoal Creek2007 17080003 Lower Columbia-Clatskanieestablished
255119 WACowlitzDelameter Creek2007 17080005 Lower Cowlitzestablished
255117 WACowlitzGermany Creek2007 17080003 Lower Columbia-Clatskanieestablished
255208 WACowlitzKalama River (lower)2007 17080003 Lower Columbia-Clatskanieestablished
255212 WACowlitzLewis River (mouth)2007 17080003 Lower Columbia-Clatskanieestablished
255124 WACowlitzLongview2007 17080003 Lower Columbia-Clatskanieestablished
255122 WACowlitzOstrander Creek2007 17080005 Lower Cowlitzestablished
255120 WACowlitzSilver Lake2007 17080005 Lower Cowlitzestablished
1735248 WAFranklinOmitted by NAS2007 17060110 Lower Snakeunknown
1735226 WAFranklinOmitted by NAS2008 17060110 Lower Snakeunknown
1735179 WAFranklinOmitted by NAS2009 17060110 Lower Snakeunknown
1735276 WAFranklinOmitted by NAS2010 17060110 Lower Snakeunknown
1735277 WAFranklinOmitted by NAS2011 17060110 Lower Snakeunknown
1735330 WAFranklinOmitted by NAS2012 17060110 Lower Snakeunknown
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Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

Disclaimer:

The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/5/2026].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.