Fish 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 subspecies), 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.

Index

Yellowstone National Park 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.

Non Native Fish

Yellowstone National Park 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.

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Arctic Grayling

Arctic Grayling
Thymallus arcticus montanus ~ NPS Photos

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Snake River Finespotted Cutthroat Trout

Snake River Finespotted Cutthroat Trout
Oncorhynchus clarkii behnkei ~ Photo by Craig D. Young

Not a Formally Recognized Subspecies

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Westslope Cutthroat Trout

Westslope Cutthroat Trout
Oncorhynchus clarkii lewisi ~ NPS Photos

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Yellowstone Cutthroat Trout

Yellowstone Cutthroat Trout
Oncorhynchus clarki bouvieri ~ NPS Photos

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Longnose Dace

Longnose Dace
Rhinichthys cataractae ~ NPS Photo

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Longnose Sucker

Longnose Sucker
Catostomous catostomous griesus

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Mottled Sculpin

Mottled Sculpin
Cottus bairdi ~ Forest Service Image

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Mountain Sucker

Mountain Sucker
Catostomus platyrhynchus ~ USGS Image

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Mountain Whitefish

Mountain Whitefish
Prosopium williamsoni

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Redside Shiner

Redside Shiner
Richardsonius balteatus hydrophlox ~ Dept of F&W, OR

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Speckled Dace

Speckled Dace
Rhinichthys osculus ~ NPS Photo by John N. Rinne

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Utah Chub

Utah Chub
Gila atraria

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Utah Sucker

Utah Sucker
Catostomous ardens ~ Photo by Glenn Clemmer

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Also see: Fishing Fees and Fishing Regulations

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There are five (5) non-native species and one (1) non-native hybrid species: Brook Trout, Brown Trout, Lake Chub, Lake Trout, Rainbow Trout, Cutthroat Trout x Rainbow Trout Hybrid.

Brook Trout

Brook Trout
Salvelinus fontinalis ~ NPS Photo

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Brown Trout

Brown Trout
Salmo trutta ~ NPS Photo

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Lake Chub

Lake Chub
Couesius plumbeus ~ NPS Photo by Konrad P. Schmidt

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Lake Trout

Lake Trout
Salvelinus namaycush ~ NPS Image

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Rainbow Trout

Rainbow Trout
Oncorhynchus mykiss ~ NPS Photo

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Cutthroat Trout x Rainbow Trout Hybrid

Cutthroat Trout x Rainbow Trout Hybrid
NPS Photo

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Every effort was made to gather actual photographs of these Yellowstone fishes, some photographs / images are of the actual species but from outside Yellowstone.

Also see: Fishing Fees and Fishing Regulations

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

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