noun the tautog of new england (tautoga).
2. blackfish ·noun the female salmon in the spawning season.
3. blackfish ·noun a fish of southern europe (centrolophus pompilus) of the mackerel family.
4. blackfish ·noun the black sea bass (centropristis atrarius) of the atlantic coast. it is excellent food fish;
locally called also black harry.
5. blackfish ·noun a small kind of whale, of the genus globicephalus, of several species. the most common is g. melas. also sometimes applied to other whales of larger size.