Classification and common scientific names are from: “A List of Common
and Scientific Names of Fishes from the United States and Canada,”
American Fisheries Society Publication No. 2, 1960.
Key to symbols:
N Species native to at least one major drainage of the Park.
I Non-native species, having been introduced into Park waters by man.
S A species of sporting qualities and valued for recreational angling.
1 Waterton Drainage
2 Belly River Drainage
3 Swiftcurrent Drainage
4 St. Mary Drainage
5 Two Medicine Drainage
6 Middle Fork Flathead River Drainage (exclusive of McDonald Valley)
7 McDonald Valley Drainage
8 North Fork Flathead River Drainage
[Illustration: Lake Trout]
Family _Salmonidae_ (trouts, whitefishes, and grayling)
Lake Whitefish, _Coregonus clupeaformis_ (I) (1, 2, 3, 4, 7)
Pygmy Whitefish, _Prosopium coulteri_ (N) (7)
Mountain Whitefish, _Prosopium williamsoni_ (N) (S) (1, 2, 3, 4, 5, 6,
7, 8)
Kokanee (Sockeye) Salmon, _Oncorhyncus nerka_ (I) (S) (3, 7, 8)
Cutthroat Trout, _Salmo clarki_ (N) (S) (1, 2, 3, 4, 5, 6, 7, 8)
Rainbow Trout, _Salmo gairdneri_ (I) (S) (1, 2, 3, 4, 5, 7)
Brook Trout, _Salvelinus fontinalis_ (I) (S) (1, 2, 3, 4, 5, 6, 7)
Dolly Varden, _Salvelinus malma_ (N) (S) (1, 2, 3, 4, 6, 7, 8)
Lake Trout, _Salvelinus namaycush_ (N) (S) (1, 2, 4, 5, 7, 8)
Arctic Grayling, _Thymallus arcticus_ (I) (S) (2, 8)
Family _Esocidae_ (pikes)
Northern pike, _Esox lucius_ (N) (S) (1, 2, 3)
[Illustration: Redside Shiner]
Family _Cyprinidae_ (minnows and carps)
Longnose Dace, _Rhinichthys cataractae_ (N) (2, 3, 4, 5, 6, 7, 8)
Northern Pearl Dace, _Margariscus margarita_ (N) (3, 5)
Redside Shiner, _Richardsonius balteatus_ (N) (7, 8)
Streamline Chub, _Hybopsis dissimilis_ (N) (1, 3)
Northern Squawfish, _Ptychocheilus oregonensis_ (N) (7, 8)
[Illustration: White Sucker]
Family _Catostomidae_ (suckers)
White Sucker, _Catostomus commersoni_ (N) (1, 2, 3, 4, 5)
Largescale Sucker, _Catostomus macrocheilus_ (N) (6, 7, 8)
Longnose Sucker, _Catostomus catostomus_ (N) (1, 2, 3, 4, 5, 6, 7, 8)
Family _Gadidaie_ (codfishes and hakes)
Burbot, _Lota lota_ (N) (S) (1, 4)
Family _Cottidae_ (sculpins)
Mottled sculpin, _Cottus bairdi_ (N) (5, 6, 7, 8)
Spoonhead sculpin, _Cottus ricei_ (N) (1, 2, 3, 4)