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

16 results for Myocastor coypus (nutria)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
250241 LACameronCameron Parish1998 08080202 Mermentauestablished
250253 LACameronCameron Parish1999 08080202 Mermentauestablished
241861 LACameronLacassine National Wildlife Refuge1943 08080202 Mermentauestablished
242239 LACameronLacassine National Wildlife Refuge1954 08080202 Mermentauestablished
163885 LACameronLacassine National Wildlife Refuge2005 08080202 Mermentauestablished
242636 LACameronLacassine National Wildlife Refuge2006 08080202 Mermentauestablished
241933 LACameronRockefeller State Wildlife Refuge and Game Preserve1959 08080202 Mermentauestablished
250082 LACameronRockefeller State Wildlife Refuge and Game Preserve1977 08080202 Mermentauestablished
242659 LAJefferson DavisJefferson Davis Parish2006 08080202 Mermentauestablished
241867 LAJefferson DavisLake Arthur1940 08080202 Mermentauestablished
242242 LAVermilionBelle Isle1954 08080202 Mermentauestablished
253828 LAVermilionCheniere Au Tigre1948 08080202 Mermentauestablished
253834 LAVermilionCheniere Au Tigre1955 08080202 Mermentauestablished
253829 LAVermilionPecan Island1948 08080202 Mermentauestablished
250246 LAVermilionVermilion Parish1998 08080202 Mermentauestablished
242674 LAVermilionVermilion Parish2006 08080202 Mermentauestablished

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.

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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.