Specimen Information

Pacifastacus leniusculus
Pacifastacus leniusculus
(Signal Crayfish)
Native Transplant

Specimen ID1697424
Common NameSignal Crayfish
LocalityFound at a series of natural cascades 3 to 7 meters high at Fern Creek, 900 meters from the confluence with Redwood Creek in the Muir Woods National Monument
Mapping AccuracyAccurate
HUC8 NameTomales-Drake Bays
HUC8 Number18050005
HUC10 NameDrakes Bay-Frontal Pacific Ocean
HUC10 Number1805000505
HUC12 NameRedwood Creek-Frontal Pacific Ocean
HUC12 Number180500050506
Collection Year1997
Year AccuracyActual
Reference 1
Ref. Number:28504
Author:Fong, D., and J.A. Howell.
Title:Distribution and abundance of California Giant Salamander (Dicamptodon ensatus) and Signal Crayfish (Pacifastacus leniusculus) in the Upper Redwood Creek Watershed, Marin County, California: USGS Open-File Report 2006-1066.
Publisher:U.S. Geological Survey
CommentsSurveys were conducted from 1997 to 1998
Record TypeLiterature


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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/18/2024].

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