NAS - Nonindigenous Aquatic Species

water
small fish
Procambarus clarkii
(red swamp crayfish)
Crustaceans-Crayfish
Native Transplant
Collection Information AvailableCollection Info
HUC MapsHUC Maps
Interactive Point MapsPoint Maps
FactSheet AvailableFact Sheet
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Photo1
(http://fr.wikipedia.org/wiki/Utilisateur:Duloup)
Photo2
George W. Robinson
Procambarus clarkii

Common name: red swamp crayfish
Taxonomy: available through ITIS logo

Size: can reach nearly 5 in long
Native Range: Gulf coastal plain from the Florida panhandle to Mexico; southern Mississippi River drainage to Illinois.
US auto-generated map
Alaska auto-generated map
Alaska 		Hawaii auto-generated map
Hawaii 		Caribbean auto-generated map
Puerto Rico & Virgin Islands 		Guam auto-generated map
Guam Saipan


Interactive maps: Point Distribution Maps


Nonindigenous Occurrences: Alaska: Collected in a swamp in Kenai, Alaska (Alaska Fish and Game)

California: Established in San Francisco Bay, California (Ruiz 2000).  Collected from Sweetwater River in the San Diego National Wildlife Refuge (USFWS).

Maryland:  Established in Chesapeake Bay (Ruiz 2000)  Private ponds in southern

New York:  found on Long Island and in the lower Hudson River system

Wisconsin: In 2009, established in a private subdivision pond in Germantown.  This population is scheduled to be eradicated November 2009 (Behm, 2009).
Means of Introduction: Probable aquaculture introduction.
Status: An important aquaculture species.
Impact of Introduction: Has become an agricultural pest outside its native range.
Remarks: Prefers flowing to non-flowing water streams and ditches with mud or sand bottoms and plenty of organic debris, growing vegetation not a necessity. Breeding takes place in the fall, females are burrowers.
References:
Behm, D. 2009. Bleach set to eradicate Germantown's invasive crayfish. The Journal Sentinel [online] 2009 (7 November). Available on URL http://www.jsonline.com/news/ozwash.694887982.html.

Revision Date: 11/16/2009

 Citation Information:
United States Geological Survey. 2012. Procambarus clarkii. USGS Nonindigenous Aquatic Species Database, Gainesville, FL.
http://nas.er.usgs.gov/queries/FactSheet.aspx?speciesID=217 RevisionDate: 11/16/2009

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