Myocastor coypus
Myocastor coypus
(nutria)
Mammals
Exotic
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Myocastor coypus (Molina, 1782)

Common name: nutria

Taxonomy: available through www.itis.govITIS logo

Identification: Large rodent, resembling both native beavers and muskrats. The nutria has a long, thin round tail wich distinguishes it from the beaver which has a flat tail and the muskrat which has a laterally flattened tail.

Native Range: southern South America

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Nonindigenous Occurrences: Nutria in North America (USGS, National Wetlands Research Center)

Means of Introduction: Imported into Louisiana for fur farming.

Status: Feral populations are established in several states such as Louisiana, Maryland, Oregon, Texas, and Washington.

Impact of Introduction: Over-grazing of wetland habitats.

Author: Fuller, P.

Revision Date: 5/19/2005

Citation Information:
Fuller, P., 2017, Myocastor coypus (Molina, 1782): U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?speciesID=1089, Revision Date: 5/19/2005, Access Date: 8/16/2017

This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is 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 information.

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URL: https://nas.er.usgs.gov
Page Contact Information: Pam Fuller - NAS Program (pfuller@usgs.gov)
Page Last Modified: Thursday, January 26, 2017

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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. [2017]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [8/16/2017].

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