California Fish Species

Fish Species by Watershed : Upper Elder-Upper Thomes Watershed

California Roach

  • Lavinia symmetricus
  • Native Species
  • Thumbnail. California roach. Captured from the Gualala River. Photo by Carl Page, ARS Consulting.

Hardhead

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

Pacific Lamprey

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

Rainbow Trout and/or Steelhead Trout

  • Oncorhynchus mykiss
  • Native Species
  • Thumbnail. Rainbow trout, 18 cm (7”) long. Location: Deer Creek, California (Yuba River basin). Date: 6/21/2007. Photo by Dave Giordano.

Sacramento Pikeminnow

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

Sacramento Sucker

  • Catostomus occidentalis
  • Native Species
  • Thumbnail. Sacramento sucker, adult, caught in Putah Creek, California on 26 June 2008 by Teejay O'Rear. Photo by Amber Manfree.

Speckled Dace

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

Western Brook Lamprey

  • Lampetra richardsoni
  • Native Species
  • Thumbnail. Western brook lamprey. Location: Prairie Creek, CA. Date: 2011. Photo by Michael Sparkman, CDFW.

If you don't see your fish in this list of native species, your fish may be a non-native. Click here to see a list of non-native species found in California.