Fish Species

Fish Species by Watersheds : 'Cow Head Slough-171200070101'

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

Bluegill

  • Lepomis macrochirus
  • No
  • Thumbnail. Bluegill approximately 15 cm (6”) long. Location: Leonard Lake, California Date: 8/6/2008 Photo: Lisa Thompson

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

Coastal Rainbow Trout

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

Cow Head Tui Chub

  • Siphatales thalassinus vaccaceps
  • Yes
  • Thumbnail. Tui chub, approximately 10 cm (4”) long. Date: 7/10/2007. Photo by Dave Giordano.

Golden Shiner

  • Notemigonus crysoleucas
  • No
  • Thumbnail. Golden shiner, caught in Iron Gate Reservoir, California on 12 May 2009 by Teejay O'Rear. Photo by Amber Manfree.

Green Sunfish

  • Lepomis cyanellus
  • No
  • Thumbnail. Green sunfish with measurements Location: Leonard Lake, California Date: 8/6/2008 Photo: Lisa Thompson

Sacramento Speckled Dace

  • Rhinichthys osculus subspecies
  • Yes
  • Thumbnail. Speckled dace, approximately 7 cm (3”) long. Date: 7/8/2007. Photo by Dave Giordano.