Fish Species

Fish Species by Watersheds : 'Twitchell Reservoir-Cuyama River-180600070605'

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

Arroyo Chub

  • Gila orcutti
  • Yes
  • Thumbnail. Arroyo chub. Captured from San Antonio Creek (Vandenberg Air Force Base) in 2008. Photo by Carl Page, ARS Consulting.

Blue Catfish

  • Ictalurus furcatus
  • No
  • Thumbnail. Blue catfish, adult. Caught in Marion, Alabama on 9 February 1994. Photo by Konrad Schmidt, Nongame Fish Biologist, DES, Minn. DNR

Pacific Lamprey

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

Redear Sunfish

  • Lepomis microlophus
  • No
  • Thumbnail. Redear sunfish. Photo courtesy of Professor Peter B. Moyle.

Sacramento Speckled Dace

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

White Crappie

  • Pomoxis annularis
  • No
  • Thumbnail. White crappie. Photo courtesy of Corey Geving, webmaster at roughfish.com.