The term BLACKFISH is a collective name for two species of fish, the tautog (6 letters) and the tautogs (7 letters). Both species are found in the Atlantic Ocean and are popular among recreational anglers. The tautog is a bottom-dwelling fish that feeds on crustaceans, mollusks, and small fish. The tautogs are a schooling species that feed on plankton and small invertebrates. Both species are highly sought after by anglers due to their size and flavor.