Fish Species

Fish Species by Watersheds : 'Big Swamp-Ash Creek-180200021703'

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

Channel Catfish

  • Ictalurus punctatus
  • No

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

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.

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.

Modoc Sucker

  • Catostomus microps
  • Yes

  • Thumbnail. Modoc sucker, spawning. Photo by Stewart Reid, Western Fishes, Ashland, OR.

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.

Sacramento Pikeminnow

  • Ptychocheilus grandis
  • Yes

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

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.