Fish Species

Fish Species by Watersheds : 'Lower South Fork Tuolumne River-180400090702'

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

Brown Bullhead

  • Ameiurus nebulosus
  • No

  • Thumbnail. Brown bullhead. Caught in Seneca County, New York. Photo by Arthur Masloski, January 2009.

Central Valley spring Chinook Salmon

  • Oncorhynchus tshawytscha
  • Yes

  • Thumbnail. Chinook salmon. Spring-run Chinook salmon (female spawner) swimming in Butte Creek, CA on 14 September 2006. Photo - Lisa Thompson, UC Davi

Central Valley Steelhead

  • Oncorhynchus mykiss
  • Yes

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

Green Sunfish

  • Lepomis cyanellus
  • No

  • Thumbnail. Green sunfish with measurements Location: Leonard Lake, California Date: 8/6/2008 Photo: Lisa Thompson

Sacramento Pikeminnow

  • Ptychocheilus grandis
  • Yes

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

Sacramento Sucker

  • Catostomus occidentalis occidentalis
  • Yes

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