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

22 results for Myocastor coypus (nutria)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1737160 CAContra CostaDutch Slough south of Sherman Island2024 18040003 San Joaquin Deltaunknown
1735478 FLDuvalOmitted by NAS2024 03080103 Lower St. Johnsunknown
1740325 MDWorcesterBerlin, MD2024 02040303 Chincoteagueestablished
1753134 MSJacksonHorn Island, Mississippi2024 03170009 Mississippi Coastal 
1740326 VAChesapeake CityChesapeake, VA2024 02080208 Hampton Roadsestablished
1896051 WAClarkIn a wetland/marsh behind Walmart2024 17080003 Lower Columbia-Clatskanie 
1896061 WAClarkSalmon Creek, Pond near Salmon Creek2024 17080003 Lower Columbia-Clatskanie 
1896060 WAClarkShin Etsu Factory2024 17080003 Lower Columbia-Clatskanie 
1896053 WAClarkUnnamed Waterbody, Retention pond near private residence2024 17080003 Lower Columbia-Clatskanie 
1896054 WACowlitz1500 Dike Access Rd, Woodland, WA 986742024 17080003 Lower Columbia-Clatskanie 
1896057 WACowlitzalong the Pacific Way Trail2024 17080003 Lower Columbia-Clatskanie 
1896050 WALewisFort Borst Lake, In lake and along bank2024 17100103 Upper Chehalis 
1896055 WAThurston11005 Old Highway 99 SE Olympia WA 985012024 17100103 Upper Chehalis 
1896049 WAThurstonCapitol Lake, Capitol Lake2024 17110016 Deschutes 
1896058 WAThurstonCapitol Lake, Capitol Lake2024 17110016 Deschutes 
1896046 WAThurstonCapitol Lake, East side of Capitol Lake, north of switchback path to Capitol.2024 17110016 Deschutes 
1896048 WAThurstonCapitol Lake, Marathon Park2024 17110016 Deschutes 
1896052 WAThurstonCapitol Lake, Marathon Park2024 17110016 Deschutes 
1896047 WAThurstonCapitol Lake, Near Marathon Park by Capitol Lake2024 17110016 Deschutes 
1896059 WAThurstonCapitol Lake, Near walking path, in lake2024 17110016 Deschutes 
1896056 WAThurstonCapitol Lake, northeast side of Captiol Lake2024 17110016 Deschutes 
1896045 WAThurstonSouth Puget Sound, Olympia Public Moorage2024 17110019 Puget Sound 

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 [2/21/2026].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

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