Salvelinus is a genus of salmonid fish often called char or charr; some species are called "trout". salvelinus is a member of the subfamily salmoninae within the family salmonidae. the genus has a northern circumpolar distribution, and most of its members are typically cold-water fish that primarily inhabit fresh waters. many species also migrate to the sea. most char may be identified by light-cream, pink, or red spots over a darker body. scales tend to be small, with 115-200 along the lateral line. the pectoral, pelvic, anal, and the lower aspect of caudal fins are trimmed in snow white or cream leading edges. many members of this genus are popular sport fish, and a few, such as lake tr...

Source: Wikipedia