Procambarus clarkii
Procambarus clarkii
(Red Swamp Crayfish)
Crustaceans-Crayfish
Native Transplant
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Impacts

5 results for Procambarus clarkii (Red Swamp Crayfish)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
278678 CAMaderaMadera County1959 18040000 San Joaquinunknown
278679 CAMaderaroadside slough 12 miles south of Merced1959 18040007 Fresno Riverunknown
1753880 CASacramentoConsumnes River, 5.3 mi NE Four Corners, S.R. E13/Twin Cities Rd.1997 18040013 Upper Cosumnes 
278691 CASan JoaquinMokelumne River [~7 mi NE of Lodi]1959 18040012 Upper Mokelumneunknown
278694 CAStanislausTuolumne River above junction with San Joaquin River1959 18040009 Upper Tuolumneunknown

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 [3/13/2026].

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