Blackfish is a common name for various species of fishes and cetaceans, including:
Fish Alaska blackfish (Dallia pectoralis), an esocid from Alaska, Siberia, and the Bering Sea islands Black fish (Carassioides acuminatus), a cyprinid from China and Vietnam Black ruff (Centrolophus niger) Black sea bass (Centropristis striata) Black triggerfish Cornish blackfish (Schedophilus medusophagus) Gadopsis, two Australian freshwater fish: River blackfish (G. marmoratus) Two-spined blackfish (G. bispinosus) Galjoen (Dichistius capensis) Imperial blackfish (Schedophilus ovalis) Japanese black porgy (Acanthopagrus schlegelii), a large sea bream often cultivated in aquaculture Parore (Girella tricuspidata) Sacramento blackfish (Orthodon microlepidotus) Tautog (Tautoga onitis)
Dolphins Pilot whales (Globicephala) Melon-headed whale (Peponocephala electra) False killer whale (Pseudorca crassidens) Pygmy killer whale (Feresa attenuata) Orca (Orcinus orca)