Fish Species

Fish Species by Watersheds : 'Mill Creek-180101010402'

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

Chum Salmon

  • Oncorhynchus keta
  • Yes

  • Thumbnail. Chum salmon, adult. Captured at the mouth of Chico Creek on Puget Sound, in Kitsap County, Washington, 8 November 2007. Photo - Larry Coté.

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.

Coastrange Sculpin

  • Cottus aleuticus
  • Yes

  • Thumbnail. Coastrange sculpin, approx. 85 mm (3.5

Green Sunfish

  • Lepomis cyanellus
  • No

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

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.

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 Green Sturgeon

  • Acipenser medirostris
  • Yes

  • Thumbnail. Green sturgeon, juvenile, in tank. Photo courtesy of Dennis Cocherell, UC Davis.

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.

Prickly Sculpin

  • Cottus asper subspecies
  • Yes

  • Thumbnail. Prickly sculpin, approximately 10 cm (4”) long. Location: Suisun Marsh, California. Date: 8/6/2007. Photo by Dave Giordano.

River Lamprey

  • Lampetra ayersi
  • Yes

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

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

Western Brook Lamprey

  • Lampetra richardsoni
  • Yes

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