Specimen Information

Pacifastacus leniusculus
Pacifastacus leniusculus
(Signal crayfish)
Crustaceans-Crayfish
Native Transplant

Specimen ID4751
GroupCrustaceans-Crayfish
GenusPacifastacus
Speciesleniusculus
Common NameSignal crayfish
StateCA
CountySanta Cruz
LocalitySan Lorenzo River, Santa Cruz
Mapping AccuracyApproximate
HUC8 NameMonterey Bay
HUC8 Number18060015
Map
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Collection Year1912
Year AccuracyActual
Potential Pathwaystocked
Statusestablished
Reference 1
Ref. Number:9262
Author:Riegel, J.A.
Date:1959
Title:The systematics and distribution of crayfishes in California.
Journal:California Fish and Game
Volume:45
Issue:1
Pages:29-50
Reference 2
Ref. Number:10319
Author:Cohen, A.N., and J.T. Carlton.
Date:1995
Title:Nonindigenous Aquatic Species in a United States Estuary, A Case Study of the Biological Invasions of the San Francisco Bay and Delta.
Journal:Report for USFWS, WA DC, and Connecticut Sea Grant
Publisher:A report for the United States Fish and Wildlife Service, Washington, DC and The National Sea Grant College Program Connecticut Sea Grant.
Pages:246 pp
Record TypeLiterature
Earliest Recordstate
Freshwater/MarineFreshwater
Specimen ImpactThis crayfish may have contributed to the extinction of the native sooty crayfish, Pacifastacus nigrescens.


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. [2019]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/20/2019].

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