Fish Species

Fish Species by Watersheds : 'Hidden Valley-North Fork Willow Creek-180102040204'

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.

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.

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.

Goldfish

  • Carassius auratus
  • No

  • Thumbnail. Goldfish, captured in rotary screw trap on Sacramento River at Knight's Landing. Date: January 2009. Photo by Dan Worth, CDFW.

Klamath Largescale Sucker

  • Catostomus snyderi
  • Yes
  • N / A

Klamath Speckled Dace

  • Rhinichthys osculus klamathensis
  • Yes

  • Thumbnail. Speckled dace, approximately 7 cm (3”) long. Date: 7/8/2007. 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 California Brook Lamprey

  • Entosphenus folletti
  • Yes

  • Thumbnail. Klamath River lamprey. Captured from the upper Trinity River near river mile 85 on 22 July 2009. Photo courtesy of John Hileman, CDFW.

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.

Pumpkinseed

  • Lepomis gibbosus
  • No

  • Thumbnail. Pumpkinseed, captured from Lake Davis, CA. Photo by Robert Vincik, California Department of Fish and Game.

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.

White Crappie

  • Pomoxis annularis
  • No

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