Fish Species

Fish Species by Watersheds : 'South Fork Winchuck River-Winchuck River-171003120202'

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

Coastal Threespine Stickleback

  • Gasterosteus aculeatus aculeatus
  • Yes
  • Thumbnail. Threespine stickleback (armored). Location: Sacramento-San Joaquin River Delta. Date: 16 April 2011. Photo by Christopher Mosser, UC Davis.

Coastrange Sculpin

  • Cottus aleuticus
  • Yes
  • Thumbnail. Coastrange sculpin, approx. 85 mm (3.5

Prickly Sculpin

  • Cottus asper subspecies
  • Yes
  • Thumbnail. Prickly sculpin, approximately 10 cm (4”) long. Location: Suisun Marsh, California. Date: 8/6/2007. Photo by Dave Giordano.

River Lamprey

  • Lampetra ayersi
  • Yes
  • Thumbnail. River lamprey, captured in rotary screw trap on Sacramento River at Knight's Landing. Photo by Dan Worth, CDFW.

Starry Flounder

  • Platichthys stellatus
  • Yes
  • Thumbnail. Starry flounder, juvenile, approximately 7.5 cm (3”) long. Location: Suisun Marsh, California. Date: 8/8/2007. Photo by Dave Giordano.

Western Brook Lamprey

  • Lampetra richardsoni
  • Yes
  • Thumbnail. Western brook lamprey. Location: Prairie Creek, CA. Date: 2011. Photo by Michael Sparkman, CDFW.