The Brook Trout (Salvelinus fontinalis) is a member of the char family, known for its beautiful coloring and patterns. It has a greenish-brown back with distinctive red spots surrounded... The Brook Trout (Salvelinus fontinalis) is a member of the char family, known for its beautiful coloring and patterns. It has a greenish-brown back with distinctive red spots surrounded by blue halos. Native to Eastern North America, Brook Trout prefer cold, clear, oxygen-rich streams and lakes. They feed on insects, smaller fish, and crustaceans. Anglers highly prize Brook Trout for their fight and flavor.Click here to read more about Brook Trout.