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Non-Native Fish Species

American Shad

  • Alosa sapidissima
  • Non-Native

  • 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.

Bigscale Logperch

  • Percina macrolepida
  • Non-Native

  • Thumbnail. Bigscale logperch, captured from Putah Creek in November 2008. Photo by Teejay O'Rear, March 2009.

Black Bullhead

  • Ameiurus melas
  • Non-Native

  • Thumbnail. Black bullhead, approximately 15 cm (6”) long. Location: Suisun Marsh, California Date: 8/6/2007. Photo by Dave Giordano.

Black Crappie

  • Pomoxis nigromaculatus
  • Non-Native

  • 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

Blue Catfish

  • Ictalurus furcatus
  • Non-Native

  • Thumbnail. Blue catfish, adult. Caught in Marion, Alabama on 9 February 1994. Photo by Konrad Schmidt, Nongame Fish Biologist, DES, Minn. DNR

Blue Tilapia

  • Oreochromis aureus
  • Non-Native
  • N / A

Bluegill

  • Lepomis macrochirus
  • Non-Native

  • Thumbnail. Bluegill approximately 15 cm (6”) long. Location: Leonard Lake, California Date: 8/6/2008 Photo: Lisa Thompson

Brook Stickleback

  • Culaea inconstans
  • Non-Native

  • Thumbnail. Brook stickleback. Photo by Konrad Schmidt, Nongame Fish Biologist, Division of Ecological Services, Minnesota DNR

Brook Trout

  • Salvelinus fontinalis
  • Non-Native

  • Thumbnail. Brook trout, captured in Lassen Creek, Modoc County, CA, on 8 July 2007. Photo by Dave Giordano

Brown Bullhead

  • Ameiurus nebulosus
  • Non-Native

  • Thumbnail. Brown bullhead. Caught in Seneca County, New York. Photo by Arthur Masloski, January 2009.

Brown Trout

  • Salmo trutta
  • Non-Native

  • Thumbnail. Brown trout, approximately 20 cm (8”) long. Location: Deer Creek, California Date: 6/21/2007. Photo by Dave Giordano

Channel Catfish

  • Ictalurus punctatus
  • Non-Native

  • Thumbnail. Channel catfish, caught in Nacimiento Reservoir in May 2008 by Teejay O'Rear. Photo by Amber Manfree.

Common Carp

  • Cyprinus carpio
  • Non-Native

  • Thumbnail. Common carp approximately 18 cm (7”) long. Location: Suisun Marsh, California. Date: 8/8/2008. Photo by Dave Giordano.

Fathead Minnow

  • Pimephales promelas
  • Non-Native

  • Thumbnail. Fathead minnow. Photo by Konrad Schmidt, Nongame Fish Biologist, Division of Ecological Services, Minnesota Department of Natural Resources

Flathead Catfish

  • Pylodictis olivaris
  • Non-Native

  • Thumbnail. Flathead catfish, adult. Caught in the St. Croix River, Washington County, Minnesota, in summer 1976. Photo by Konrad Schmidt, Minn. DNR

Golden Shiner

  • Notemigonus crysoleucas
  • Non-Native

  • Thumbnail. Golden shiner, caught in Iron Gate Reservoir, California on 12 May 2009 by Teejay O'Rear. Photo by Amber Manfree.

Goldfish

  • Carassius auratus
  • Non-Native

  • Thumbnail. Goldfish, captured in rotary screw trap on Sacramento River at Knight's Landing. Date: January 2009. Photo by Dan Worth, CDFW.

Grass Carp

  • Ctenopharyngodon idella
  • Non-Native

  • Thumbnail. Grass carp. Photographed on 05/13/08, by Konrad Schmidt, Nongame Fish Biologist, Division of Ecological Services, Minnesota DNR.

Green Sunfish

  • Lepomis cyanellus
  • Non-Native

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

Kokanee (Sockeye Salmon)

  • Oncorhynchus nerka
  • Non-Native

  • Thumbnail. Kokanee salmon. Location: Kootenay Lake, BC, Canada, Date: circa 1994, Photo by Lisa Thompson.

Lake Trout

  • Salvelinus namaycush
  • Non-Native

  • Thumbnail. Lake trout, captured from Donner Lake on 12/21/2009. Length: 53 cm (21

Land Shark

  • Chevus chasus
  • Non-Native

  • Thumbnail. Land shark. South Fork American River, near Placerville, CA. October 22, 2011. Photo by Dave Giordano.

Largemouth Bass

  • Micropterus salmoides
  • Non-Native

  • Thumbnail. Largemouth bass approximately 30 cm (12”) long. Location: Deer Creek, California Date 6/22/2007. Photo by Dave Giordano.

Mississippi Silverside

  • Menidia beryllina
  • Non-Native

  • Thumbnail. Mississippi silverside approximately 8 cm (3”) long. Location: Suisun Marsh, California Date: 8/8/2008. Photo by Dave Giordano.

Mozambique Tilapia

  • Oreochromis mossambicus
  • Non-Native

  • Thumbnail. Mozambique tilapia hybrid, female, captured from the Salton Sea in 2006. Photo by Sharon Keeney, CDFW.

Nile Tilapia

  • Oreochromis niloticus
  • Non-Native
  • N / A

Northern Pike

  • Esox lucius
  • Non-Native

  • Thumbnail. Northern pike, captured from Lake Davis, CA. Photo by Robert Vincik, California Department of Fish and Game.

Porthole Livebearer

  • Poeciliopsis gracilis
  • Non-Native

  • Thumbnail. Porthole livebearer, female. Location: Irrigation drain (Oasis-Grant), north end of the Salton Sea. 5/20/2010. Photo - Sharon Keeney, CDFW.

Pumpkinseed

  • Lepomis gibbosus
  • Non-Native

  • Thumbnail. Pumpkinseed, captured from Lake Davis, CA. Photo by Robert Vincik, California Department of Fish and Game.

Rainwater Killifish

  • Lucania parva
  • Non-Native
  • N / A

Red Shiner

  • Cyprinella lutrensis
  • Non-Native

  • Thumbnail. Red shiner. Caught in the Rock River, Rock County, Minnesota, in July 2002. Photo by Konrad Schmidt, Minn. DNR.

Redbelly Tilapia

  • Tilapia zillii
  • Non-Native

  • Thumbnail. Redbelly tilapia, spawning colors. Location: Arthur 0.5 Drain, Salton Sea. Date: Oct. 28, 2010. Photo by Sharon Keeney, CDFW.

Redear Sunfish

  • Lepomis microlophus
  • Non-Native

  • Thumbnail. Redear sunfish. Photo courtesy of Professor Peter B. Moyle.

Redeye Bass

  • Micropterus coosae
  • Non-Native

  • Thumbnail. Redeye bass, adult. Caught in eastern USA. Photo courtesy of Drew Gregory.

Sailfin Molly

  • Poecilia latipinna
  • Non-Native

  • Thumbnail. Sailfin molly, male, left side. Irrigation drain (Oasis-Grant Drain) at the north end of the Salton Sea, 2010. Photo - Sharon Keeney, CDFW.

Shimofuri Goby

  • Tridentiger bifasciatus
  • Non-Native

  • Thumbnail. Shimofuri goby, approximately 5 cm (2”) long. Location: Suisun Marsh, California Date: 8/6/2007. Photo by Dave Giordano.

Shokihaze Goby

  • Tridentiger barbatus
  • Non-Native

  • Thumbnail. Shokihaze goby, captured in Suisun Marsh, CA on 6 August 2007. Length: 5 cm (2 inches). Photo by Dave Giordano.

Shortfin Molly

  • Poecilia mexicana
  • Non-Native

  • Thumbnail. Shortfin molly, male. Location: In a wash just south of Bombay Beach, Salton Sea. Date: Sept. 27, 2010. Photo by Sharon Keeney, CDFW.

Smallmouth Bass

  • Micropterus dolomieu
  • Non-Native

  • Thumbnail. Smallmouth bass. Photo courtesy of Drew Gregory.

Spotted Bass

  • Micropterus punctulatus
  • Non-Native

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

Striped Bass

  • Morone saxatilis
  • Non-Native

  • Thumbnail. Striped bass, approximately 18 cm (7”) long. Location: Suisun Marsh, California Date: 8/6/2007. Photo by Dave Giordano.

Tench

  • Tinca tinca
  • Non-Native

  • Thumbnail. Tench, caught in Storrington, West Sussex, England on 19 August 2009. Photo by Peter Collington.

Threadfin Shad

  • Dorosoma petenense
  • Non-Native

  • Thumbnail. Threadfin shad. Photo by Robert Vincik, CDFW.

Wakasagi

  • Hypomesus nipponensis
  • Non-Native

  • Thumbnail. Wakasagi, captured in rotary screw trap on the Sacramento River at Knight's Landing on 2/26/2009. Photo by Dan Worth, CDFW.

Warmouth

  • Lepomis gulosus
  • Non-Native

  • Thumbnail. Warmouth, Sacramento River at Knight's Landing, 12/16/2009. Length approximately 9 cm (3.5 inches). Photo by Kasie Barnes, CDFW.

Western Mosquitofish

  • Gambusia affinis
  • Non-Native

  • 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 Bass

  • Morone chrysops
  • Non-Native

  • Thumbnail. White bass, caught in Nacimiento Reservoir, CA, by Teejay O'Rear. Photo by Amber Manfree.

White Catfish

  • Ameiurus catus
  • Non-Native

  • 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
  • Non-Native

  • Thumbnail. White crappie. Photo courtesy of Corey Geving, webmaster at roughfish.com.

Yellow Bullhead

  • Ameiurus natalis
  • Non-Native

  • Thumbnail. Yellow bullhead. Photo by Konrad Schmidt, Nongame Fish Biologist, Division of Ecological Services, Minnesota Dept. of Natural Resources

Yellow Perch

  • Perca flavescens
  • Non-Native

  • Thumbnail. Yellow perch, caught in Iron Gate Reservoir, California on 13 May 2009 by Teejay O'Rear. Photo by Amber Manfree.

Yellowfin Goby

  • Acanthogobius flavimanus
  • Non-Native

  • Thumbnail. Yellowfin goby, approximately 10 cm (4”) long. Location: Suisun Marsh, California Date: 8/8/2008.