Brook Trout
Brook trout are members of the char subgroup of the salmon family (Salmonidae) which also includes the Arctic char, bull trout, Dolly Varden and lake trout. Char are distinguished from other trout and salmon species by the absence of teeth in the roof of the mouth, the presence of light colored spots on a dark colored body, their smaller scales, and differences in skeletal structure.
Also known by the vernacular names “native trout” or “natives”, “brookie”, speckled trout, and brook char, the species name fontinalis means “living in springs”. Brook trout have cooler water temperature requirements than the non-native brown and rainbow trouts.
(Source: National Park Virgina—Brook Trout)