. . "The northern fin whale (Balaenoptera physalus physalus) is a subspecies of fin whale that lives in the North Atlantic Ocean and North Pacific Ocean. It is possible that the population in each ocean represents a separate subspecies. At least one other subspecies of fin whale, the southern fin whale (B. p. quoyi), exists in the southern hemisphere."@en . . . . . . . . "Northern fin whale"@en .