Specimen Information

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

Specimen ID265076
GroupCrustaceans-Crayfish
GenusProcambarus
Speciesclarkii
Common NameRed Swamp Crayfish
StateCA
CountyOrange
LocalitySan Juan Creek from 1.5 mi W of the Riverside/Orange County line downstream at least through Caspers Regional Park and Rancho Mission Viejo
Mapping AccuracyAccurate
HUC8 NameAliso-San Onofre
HUC8 Number18070301
HUC10 NameSan Juan Creek
HUC10 Number1807030101
HUC12 NameUpper San Juan Creek
HUC12 Number180703010101
Map
Collection Day1
Collection Month3
Collection Year2007
Year AccuracyActual
Potential Pathwayunknown
Statusestablished
CommentsPerennial and ephemeral pools infested.
Record TypeNAS sighting report
Freshwater/MarineFreshwater
Specimen ImpactCrayfish observed taking native amphibians, including Coast Range Newt (Taricha torosa torosa), Pacific Chorus Frog (Pseudacris regilla), and California Chorus Frog (Pseudacris cadaverina).
Photo
Procambarus clarkii

Disclaimer:

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 [12/19/2025].

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