One is in Lake Superior, another is in southwestern Alaska, and the third is in the Ekityki Lake, Chukchi Peninsula, Russia.
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Found in the mountain streams and lakes in western North America, it also has isolated populations in Lake Superior and in Ekityki Lake, Chukchi Peninsula.
Salt Lake City | Swan Lake | Lake Superior | Lake Erie | Lake Michigan | Lake Placid, New York | Lake District | Lake Ontario | Lake Como | Emerson, Lake & Palmer | Lake Geneva | lake | Lake Tahoe | Lake Huron | Lake Constance | Lake Ladoga | Lake Victoria | Lake Placid | Lake Garda | Lake Onega | Lake | Silver Lake | Lake County | Lake County, Florida | Lake Biwa | Lake Turkana | Lake Lugano | Saranac Lake, New York | Lake Tanganyika | Lake Okeechobee |