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

25 results for Pacifastacus leniusculus (Signal crayfish)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
4433 CA state non-specific1989 18000000 California Regioncollected
4429 CA state non-specific1989 18000000 California Regioncollected
1474347 CAButteShady Rest Area, CA-Hwy 702018 18020121 North Fork Featherunknown
619851 CAMontereyMonterey County1959 18060005 Salinasestablished
4754 CAMontereyMonterey County1959 18060000 Central California Coastalestablished
619857 CANevadaNevada County1950 18020126 Upper Bearestablished
4752 CANevadapond on the Shebley Ranch between Colfax and Grass Valley, CA1912 18020126 Upper Bearestablished
619852 CASacramentoDelta [general location]1959 18020163 Lower Sacramentoestablished
619855 CASacramentoDelta [general location]2005 18020163 Lower Sacramentoestablished
619849 CASan FranciscoSan Francisco Bay1959 18050002 San Pablo Bayestablished
619856 CASan FranciscoSan Francisco County1898 18050002 San Pablo Bayestablished
4751 CASanta CruzSan Lorenzo River, Santa Cruz1912 18060015 Monterey Bayestablished
619853 CASanta CruzSanta Cruz County1912 18060015 Monterey Bayestablished
619850 CASanta CruzSanta Cruz County1950 18060015 Monterey Bayestablished
4393 CAShastaBaum Lake [=Brown Lake]1980 18020003 Lower Pitestablished
4400 CAShastaBritton Lake1990 18020003 Lower Pitestablished
4394 CAShastaBurney Creek in the town of Burney1980 18020003 Lower Pitestablished
4397 CAShastaCrystal Lake1978 18020003 Lower Pitestablished
4398 CAShastaEastman Lake at the outflow of Lava Creek1990 18020003 Lower Pitestablished
4399 CAShastaFall River at the mouth of Spring Creek1990 18020003 Lower Pitestablished
4396 CAShastaFall River, lower portion1980 18020003 Lower Pitestablished
4395 CAShastaHat Creek, lower portion1980 18020003 Lower Pitestablished
291946 CAShastaPit River1992 18020003 Lower Pitestablished
291947 CAShastaPit River2009 18020003 Lower Pitestablished
1428749 ORKlamathCrater Lake1914 18010201 Williamsonestablished

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. [2019]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/17/2019].

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.