University of California
California Fish Website

Fish Species

Freshwater native and non-native fish species present currently and/or historically, determined from the PISCES database (Feb. 26, 2014).  Some species, such as salmon or steelhead, may no longer be present upstream of dams that lack fish passage.

Yes/No corresponds to California native species

Bluegill

Lepomis macrochirus
No

Thumbnail. Bluegill approximately 15 cm (6”) long. Location: Leonard Lake, California Date: 8/6/2008 Photo: Lisa Thompson

Brook Trout

Salvelinus fontinalis
No

Thumbnail. Brook trout, captured in Lassen Creek, Modoc County, CA, on 8 July 2007. Photo by Dave Giordano

Brown Bullhead

Ameiurus nebulosus
No

Thumbnail. Brown bullhead. Caught in Seneca County, New York. Photo by Arthur Masloski, January 2009.

Brown Trout

Salmo trutta
No

Thumbnail. Brown trout, approximately 20 cm (8”) long. Location: Deer Creek, California Date: 6/21/2007. Photo by Dave Giordano

Golden Shiner

Notemigonus crysoleucas
No

Thumbnail. Golden shiner, caught in Iron Gate Reservoir, California on 12 May 2009 by Teejay O'Rear. Photo by Amber Manfree.

Goose Lake Lamprey

Entosphenus tridentata
Yes

Thumbnail. Pacific lamprey, captured in rotary screw trap on Sacramento River at Knight's Landing. Photo by Dan Worth, CDFW.

Goose Lake Redband Trout

Oncorhynchus mykiss subspecies
Yes

Thumbnail. Rainbow trout, 18 cm (7”) long. Location: Deer Creek, California (Yuba River basin). Date: 6/21/2007. Photo by Dave Giordano.

Goose Lake Sucker

Catostomus occidentalis lacusanserinus
Yes

Thumbnail. Sacramento sucker, adult, caught in Putah Creek, California on 26 June 2008 by Teejay O'Rear. Photo by Amber Manfree.

Goose Lake Tui Chub

Siphatales thalassinus thalassinus
Yes

Thumbnail. Tui chub, approximately 10 cm (4”) long. Date: 7/10/2007. Photo by Dave Giordano.

Green Sunfish

Lepomis cyanellus
No

Thumbnail. Green sunfish with measurements Location: Leonard Lake, California Date: 8/6/2008 Photo: Lisa Thompson

Northern (Pit) Roach

Lavinia mitrulus
Yes

Thumbnail. California roach. Captured from the Gualala River. Photo by Carl Page, ARS Consulting.

Pit-Klamath Brook Lamprey

Lampetra lethophaga
Yes

Thumbnail. Pit-Klamath brook lamprey adult. Location: Dry Creek, Lake County, Oregon. Date: 9/18/2007. Photo by Michael P. Heck, Oregon DFW.

Sacramento Speckled Dace

Rhinichthys osculus subspecies
Yes

Thumbnail. Speckled dace, approximately 7 cm (3”) long. Date: 7/8/2007. Photo by Dave Giordano.

Western Mosquitofish

Gambusia affinis
No

Thumbnail. Western mosquitofish, captured in rotary screw trap on Sacramento River at Knight's Landing. Date: 1/29/2009. Photo by Dan Worth, CDFW.

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