Procambarus clarkii
Procambarus clarkii
(Red Swamp Crayfish)
Native Transplant

9 results for Procambarus clarkii (Red Swamp Crayfish)
Download Data
Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
539034 MDWicomicoFIGGS DITCH at site WIRH-103-B-20092009 02080109 Nanticokeestablished
539035 MDWicomicoMORRIS BRANCH at site WIRH-104-B-20092009 02080109 Nanticokeestablished
1416924 MDWicomicoNanticoke River2006 02080109 Nanticokeestablished
1416928 MDWicomicoNanticoke River2006 02080109 Nanticokeestablished
1416698 MDWicomicoNanticoke River2009 02080109 Nanticokeestablished
1417009 MDWicomicoNanticoke River2009 02080109 Nanticokeestablished
1416610 MDWicomicoNanticoke River2010 02080109 Nanticokeestablished
538478 MDWicomicoNanticoke River drainage at site NANT-002-Z-20062006 02080109 Nanticokeestablished
539008 MDWicomicoREWASTICO CREEK at site NANT-107-H-20102010 02080109 Nanticokeestablished

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.

Data are not available for download from the web site. Please contact NAS staff for a custom query.


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. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/24/2020].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.