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

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

Channel Catfish

Ictalurus punctatus
No

Thumbnail. Channel catfish, caught in Nacimiento Reservoir in May 2008 by Teejay O'Rear. Photo by Amber Manfree.

Coastal Rainbow Trout

Oncorhynchus mykiss irideus
Yes

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

Largemouth Bass

Micropterus salmoides
No

Thumbnail. Largemouth bass approximately 30 cm (12”) long. Location: Deer Creek, California Date 6/22/2007. Photo by Dave Giordano.

Northern (Pit) Roach

Lavinia mitrulus
Yes

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

Pit River Tui Chub

Siphatales thalassinus subspecies
Yes

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

Pit Sculpin

Cottus pitensis
Yes

Thumbnail. Pit sculpin. Modoc County, CA. July 10, 2007. Photo by Dave Giordano.

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 Pikeminnow

Ptychocheilus grandis
Yes

Thumbnail. Sacramento pikeminnow, juvenile. Location: Deer Creek California (Yuba River basin). Date: 6/20/2007. Photo by Dave Giordano.

Sacramento Speckled Dace

Rhinichthys osculus subspecies
Yes

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

Sacramento Sucker

Catostomus occidentalis occidentalis
Yes

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

Smallmouth Bass

Micropterus dolomieu
No

Thumbnail. Smallmouth bass. Photo courtesy of Drew Gregory.

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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