Fish Species

Fish Species by Watersheds : 'North Fork Willow Creek-180400061101'

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

Riffle Sculpin

  • Cottus gulosus
  • Yes

  • Thumbnail. Riffle sculpin, side view. Location: South Fork American River. Date: 5 May 2010. Photo by Lisa C. Thompson.

Sacramento Hitch

  • Lavinia exilicauda exilicauda
  • Yes

  • Thumbnail. Hitch adult. Photo courtesy of Professor Peter B. Moyle.

Spotted Bass

  • Micropterus punctulatus
  • No

  • Thumbnail. Spotted bass, juvenile, approximately 7.5 cm (3”) long. Location: Deer Creek, California Date: 6/22/2007. Photo by Dave Giordano.