Salvelinus fontinalis
Physical features: Light spots on a dark background, reddish underside and ventral fins have white edges.
Habitat: Bays and estuaries of large lakes. Brook trout variety spends most of its life in stream or rivers while “coasters” spend more of their life in lakes.
Diet: Aquatic insects and fish.
Fun facts: In Lake Superior, local fisheries have stocked Brook Trout to maintain coaster populations.