Fish Species

Fish Species by Watersheds : 'Guernsey Slough-180300122001'

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

Bigscale Logperch

  • Percina macrolepida
  • No
  • Thumbnail. Bigscale logperch, captured from Putah Creek in November 2008. Photo by Teejay O'Rear, March 2009.

Black Bullhead

  • Ameiurus melas
  • No
  • Thumbnail. Black bullhead, approximately 15 cm (6”) long. Location: Suisun Marsh, California Date: 8/6/2007. Photo by Dave Giordano.

Black Crappie

  • Pomoxis nigromaculatus
  • No
  • Thumbnail. Black crappie, captured in rotary screw trap on the Sacramento River at Knight's Landing on 2/26/2009. Photo by Dan Worth, CDFW

Bluegill

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

Brown Bullhead

  • Ameiurus nebulosus
  • No
  • Thumbnail. Brown bullhead. Caught in Seneca County, New York. Photo by Arthur Masloski, January 2009.

Channel Catfish

  • Ictalurus punctatus
  • No
  • Thumbnail. Channel catfish, caught in Nacimiento Reservoir in May 2008 by Teejay O'Rear. Photo by Amber Manfree.

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.

Common Carp

  • Cyprinus carpio
  • No
  • Thumbnail. Common carp approximately 18 cm (7”) long. Location: Suisun Marsh, California. Date: 8/8/2008. 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.

Goldfish

  • Carassius auratus
  • No
  • Thumbnail. Goldfish, captured in rotary screw trap on Sacramento River at Knight's Landing. Date: January 2009. Photo by Dan Worth, CDFW.

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.

Redear Sunfish

  • Lepomis microlophus
  • No
  • Thumbnail. Redear sunfish. Photo courtesy of Professor Peter B. Moyle.

Sacramento Blackfish

  • Orthodon microlepidotus
  • Yes
  • Thumbnail. Sacramento blackfish, caught in the San Joaquin river near Stockton on 11/11/08. Photo by Steve Reem.

Sacramento Hitch

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

Sacramento Perch

  • Archoplites interruptus
  • Yes
  • Thumbnail. Sacramento perch, adult male. Captured from Sindicich Lagoon, Martinez, California in May 2001. Photo by Chris Miller, Contra Costa MVCD.

Sacramento Pikeminnow

  • Ptychocheilus grandis
  • Yes
  • Thumbnail. Sacramento pikeminnow, juvenile. Location: Deer Creek California (Yuba River basin). Date: 6/20/2007. Photo by Dave Giordano.

Sacramento Splittail

  • Pogonichthys macrolepidotus
  • Yes
  • Thumbnail. Sacramento splittail, adult, from the Cosumnes River, CA. Photo courtesy of Professor Peter B. Moyle.

Sacramento Sucker

  • Catostomus occidentalis occidentalis
  • Yes
  • Thumbnail. Sacramento sucker, adult, caught in Putah Creek, California on 26 June 2008 by Teejay O'Rear. Photo by Amber Manfree.

Thicktail Chub

  • Siphatales crassicauda
  • Yes
  • N / A

Threadfin Shad

  • Dorosoma petenense
  • No
  • Thumbnail. American shad, head. Caught on the Feather River (Star Bend boat launch) on 4 July 2008. Approximately 20 cm TL.  Photo by Brian Currier.

Western Mosquitofish

  • Gambusia affinis
  • No
  • Thumbnail. Western mosquitofish, captured in rotary screw trap on Sacramento River at Knight's Landing. Date: 1/29/2009. Photo by Dan Worth, CDFW.

White Catfish

  • Ameiurus catus
  • No
  • Thumbnail. White catfish swimming, approximately 21 cm (6”) long. Location: Deer Creek, California Date: 6/20/2007. Photo by Dave Giordano.

White Crappie

  • Pomoxis annularis
  • No
  • Thumbnail. White crappie. Photo courtesy of Corey Geving, webmaster at roughfish.com.