Procambarus clarkii
Procambarus clarkii
(Red Swamp Crayfish)
Crustaceans-Crayfish
Native Transplant
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8 results for Procambarus clarkii (Red Swamp Crayfish)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1753877 CASan Diegoditch, San Diego, beachfront park between Hotel Del Coronado & NAS North Island1996 18070304 San Diego 
278689 CASan DiegoLake Hodges [just S of Escondido]1959 18070304 San Diegounknown
4766 CASan DiegoLakeside, ponds1932 18070304 San Diegoestablished
1886738 CASan DiegoRancho Jamul Ecological Reserve2022 18070304 San Diegoestablished
619867 CASan DiegoSan Diego County1932 18070304 San Diegoestablished
278688 CASan DiegoSan Dieguito River, San Diego County1959 18070304 San Diegounknown
1753876 CASan Diegospring, Lakeside, 9078 Wintergarden Blvd.1984 18070304 San Diego 
164558 CASan DiegoSweetwater River in the San Diego National Wildlife Refuge2005 18070304 San Diegounknown

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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/5/2025].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.