Fish Species

Fish Species by Watersheds : 'Lower Willow Creek-180200021602'

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.

Brown Trout

  • Salmo trutta
  • No
  • Thumbnail. Brown trout, approximately 20 cm (8”) long. Location: Deer Creek, California 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

Hardhead

  • Mylopharodon conocephalus
  • Yes
  • Thumbnail. Hardhead, adult, right side. Location: Center for Aquatic Biology and Aquaculture, UC Davis. Date: 17 May 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 (Pit) Roach

  • Lavinia mitrulus
  • Yes
  • Thumbnail. California roach. Captured from the Gualala River. Photo by Carl Page, ARS Consulting.