Procambarus clarkii
Procambarus clarkii
(Red Swamp Crayfish)
Native Transplant

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

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
4426 AZ Colorado River, lower1981 15030107 Lower Coloradoestablished
1613666 AZMaricopaSpring that feeds Palm Lake2019 15070103 Hassayampaestablished
278674 CAImperiallower Colorado River near the Mexican border1959 15030107 Lower Coloradounknown
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
785504 CALos AngelesMalibu Creek watershed2015 18070104 Santa Monica Bayestablished
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
278679 CAMaderaroadside slough 12 miles south of Merced1959 18040007 Fresno Riverunknown
278681 CAOrangeOrange County1959 18070000 Southern California Coastalunknown
265076 CAOrangeSan Juan Creek from 1.5 mi W of the Riverside/Orange County line downstream at least through Caspers Regional Park and Rancho Mission Viejo2007 18070301 Aliso-San Onofreestablished
278682 CARiversideRiverside County1959 18070200 Santa Anaunknown
278686 CARiversideSanta Ana River near Arlington1959 18070203 Santa Anaunknown
278690 CASan DiegoDoane Pond1959 18070303 San Luis Rey-Escondidounknown
274734 CASan DiegoEscondido Creek1975 18070303 San Luis Rey-Escondidoestablished
278689 CASan DiegoLake Hodges [just S of Escondido]1959 18070304 San Diegounknown
4766 CASan DiegoLakeside, ponds1932 18070304 San Diegoestablished
619867 CASan DiegoSan Diego County1932 18070304 San Diegoestablished
278688 CASan DiegoSan Dieguito River, San Diego County1959 18070304 San Diegounknown
164558 CASan DiegoSweetwater River in the San Diego National Wildlife Refuge2005 18070304 San Diegounknown
1613640 DEKent118 Harcourt Dr, (Fieldstone Development), Dover2019 02040207 Broadkill-Smyrnaunknown
1613634 DEKentComing out of cranberry run into development (Stoney Drive), Dover2016 02040207 Broadkill-Smyrnaestablished
1613635 DEKentDelaware State University Aquaculture Facility, Dover2016 02040207 Broadkill-Smyrnaunknown

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.


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 [12/4/2020].

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.