Fish of Yellowstone National Park ~ Yellowstone Up Close and Personal

Fish of Yellowstone National Park
~
The Fishes of Yellowstone National Park

There are twelve (12) native species in Yellowstone National Park (including three [3] species of cutthroat trout). The native species are: Arctic Grayling, Longnose Dace, Longnose Sucker, Mottled Sculpin, Mountain Sucker, Mountain Whitefish, Snake River Cutthroat (not a formally recognized rubspecies), Redside Shiner, Redside Shiner x Speckled Dace Hybrid, Speckled Dace, Utah Chub, Utah Sucker, Westslope Cutthroat, and Yellowstone Cutthroat. The main purpose of the Yellowstone Fisheries Management is to maintain the health and contiuation of these species.

Yellowstone Native Fish
Arctic Grayling	Snake River Cutthroat	Westslope Cutthroat	Yellowstone Cutthroat	Longnose Dace	Longnose Sucker	Mottled Sculpin
Mountain Sucker	Mountain Whitefish	Redside Shiner	Redside Shiner x Speckled Dace	Speckled Dace	Utah Chub	Utah Sucker

There are five (5) non-native species and one (1) non-native hybrid species. These six species are: Brook Trout, Brown Trout, Cutthroat Trout x Rainbow Trout Hybrid, Lake Chub, Lake Trout, and Rainbow Trout. Yellowstone Fisheries Management is working to control and regulate these non-native species. Lake Trout were illegally introduced to Yellowstone Lake and are having a devastating effect on the native Cutthroat Trout, which in turn affects the whole ecosystem including the wildlife (otters, eagles, bears, osprey, etc.) that have always relied on Cutthroat as a food source.

Yellowstone Non-Native Fish
Brook Trout	Brown Trout	Lake Chub
Lake Trout	Rainbow Trout	Cutthroat Trout x Rainbow Trout

This page contains pictures or graphics of all the fishes of Yellowstone, with the exception of the Redside Shiner x Speckled Dace Hybrid.

Arctic Grayling

Thymallus arcticus montanus ~ NPS Photos

Yellowstone National Park River Flow Links
Crecelius Cascade	Madison River
Firehole River - Madison	Middle Creek
Firehole River - Old Faithful	Snake River
Gardiner River at Boiling Spring	Soda Butte Creek
Gibbon River	Tantalus Creek
Lamar River	Yellowstone River - Yellowstone Lake

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Snake River Finespotted Cutthroat Trout

Oncorhynchus clarkii behnkei ~ Photo by Craig D. Young

Westslope Cutthroat Trout

Oncorhynchus clarkii lewisi ~ NPS Photos

Yellowstone Cutthroat Trout

Oncorhynchus clarki bouvieri ~ NPS Photos

Longnose Dace

Rhinichthys cataractae ~ NPS Photo