Procambarus clarkii
Procambarus clarkii
(Red Swamp Crayfish)
Crustaceans-Crayfish
Native Transplant
Collection Info
Point Map
Species Profile
Animated Map
Impacts

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

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
619865 CALos AngelesLos Angeles County1924 18070105 Los Angelesestablished
259216 CALos AngelesLos Angeles River2007 18070105 Los Angelesestablished
1633150 CALos AngelesLos Angeles River, [just upstream of the Sepulveda Dam and downstream of Lake Balboa]2016 18070105 Los Angelesunknown
1710737 CALos AngelesMalibu Creek1994 18070104 Santa Monica Bayestablished
785504 CALos AngelesMalibu Creek watershed2015 18070104 Santa Monica Bayestablished
1710673 CALos AngelesMalibu Creek, Los Angeles County, California2019 18070104 Santa Monica Bayestablished
1710674 CALos AngelesMalibu Creek, Los Angeles County, California2019 18070104 Santa Monica Bayestablished
1732361 CALos AngelesPlacerita Creek2023 18070102 Santa Clara 
278676 CALos AngelesPuddingstone Reservoir, Los Angeles1959 18070106 San Gabrielunknown
278677 CALos AngelesPuente Creek near Whittier1959 18070106 San Gabrielunknown
4765 CALos Angelesstream near Pasadena, CA1924 18070105 Los Angelesestablished
1710738 CALos AngelesTrancas Creek1994 18070104 Santa Monica Bayestablished
1710741 CALos AngelesTrancas Creek1996 18070104 Santa Monica Bayestablished
1753874 CAVenturacreek, Oxnard, Bubbling Springs Community Park1973 18070103 Calleguas 

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 [2/23/2026].

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