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

Klamath Largescale Sucker

Catostomus snyderi

Klamath Speckled Dace

Rhinichthys osculus klamathensis

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

Pacific Lamprey

Entosphenus tridentata

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

Sacramento Perch

Archoplites interruptus

Thumbnail. Sacramento perch, adult male. Captured from Sindicich Lagoon, Martinez, California in May 2001. Photo by Chris Miller, Contra Costa MVCD.

Upper Klamath Marbled Sculpin

Cottus klamathensis klamathensis

Thumbnail. Marbled sculpin, approximately 7.5 cm (3”) long, taken by Lisa Thompson and Daniel J. Drake. Shasta River, California. 12/16/2003.

White Crappie

Pomoxis annularis

Thumbnail. White crappie. Photo courtesy of Corey Geving, webmaster at

Top of page

Webmaster Email: Website Query