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

Green Sunfish

Lepomis cyanellus
No

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

Hardhead

Mylopharodon conocephalus
Yes

Thumbnail. Hardhead, adult, right side. Location: Center for Aquatic Biology and Aquaculture, UC Davis. Date: 17 May 2007. Photo by Dave Giordano.

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.

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