Fish Species

Fish Species by Watersheds : 'Ah Pah Creek-Klamath River-180102091007'

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

Coastal Cutthroat Trout

  • Oncorhynchus clarki clarki
  • Yes

  • Thumbnail. Cutthroat trout, sea-run adult. Caught along the beaches of Hood Canal near Seabeck, Washington. Photo courtesy of Larry Coté.

Eulachon

  • Thaleichthys pacificus
  • Yes

  • Thumbnail. Eulachon, male, caught in rotary screw trap on the Sacramento River at Knights Landing on 1/27/2006. Photo by Michael S. Brown, CDFW

Klamath Mountains Province Summer 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.

Klamath River Lamprey

  • Entosphenus similis
  • 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.

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.

Lower Klamath Marbled Sculpin

  • Cottus klamathensis polyporus
  • Yes

  • Thumbnail. Marbled sculpin, approximately 7.5 cm (3”) long, taken by Lisa Thompson and Daniel J. Drake. Shasta River, California. 12/16/2003.

Southern Oregon Northern California Coast Fall 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

Upper Klamath-Trinity Fall 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

Upper Klamath-Trinity 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

Western Brook Lamprey

  • Lampetra richardsoni
  • Yes

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