Myocastor coypus
Myocastor coypus

51 results for Myocastor coypus (nutria)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
242019 MDAlleganyPotomac River2001 02070002 North Branch Potomacestablished
242014 MDAnne ArundelPatuxent River2001 02060006 Patuxentestablished
1656912 MDBaltimore[Near Jones Falls Trail]2021 02060003 Gunpowder-Patapscounknown
254288 MDCalvertCove Point1999 02060004 Severnfailed
254289 MDCalvertCove Point2000 02060004 Severnfailed
254287 MDCalvertFlag Ponds Park1998 02060004 Severnestablished
254285 MDCalvertParkers Creek Wildlife Management Area1999 02060004 Severnfailed
242015 MDCalvertPatuxent River mouth2001 02060001 Upper Chesapeake Bayestablished
254232 MDCarolineChoptank River, Hog Island2007 02060005 Choptankestablished
254229 MDCarolineTanyard2008 02060005 Choptankestablished
242028 MDCecilCecil County2001 02060002 Chester-Sassafrasestablished
242021 MDCharles/Prince GPotomac River2001 02070010 Middle Potomac-Anacostia-Occoquanestablished
242001 MDDorchesterBlackwater National Wildlife Refuge1943 02080110 Tangierestablished
242000 MDDorchesterBlackwater National Wildlife Refuge1974 02080110 Tangierestablished
250255 MDDorchesterBlackwater National Wildlife Refuge2001 02080110 Tangierestablished
163881 MDDorchesterBlackwater National Wildlife Refuge2005 02080110 Tangierestablished
242005 MDDorchesterBull Point Marsh1957 02080110 Tangierestablished
242002 MDDorchesterChurch Creek1943 02060005 Choptankestablished
242003 MDDorchesterColes Creek Marsh1951 02080110 Tangierestablished
250256 MDDorchesterFishing Bay Wildlife Management Area2001 02080110 Tangierestablished
242029 MDDorchesterFishing Bay Wildlife Management Area2001 02080110 Tangierestablished
254228 MDDorchesterGalestown2008 02080109 Nanticokeestablished
242004 MDDorchesterGibbs Marsh, at Meekins Creek1952 02080110 Tangierestablished
254284 MDDorchesterThorofare [Channel] marsh, [near Hooopersville]2008 02060005 Choptankestablished
242399 MDDorchesterTudor Farms (near the town of Cambridge)1995 02080110 Tangierestablished

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.


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. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [8/8/2022].

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.