#tuna__tunny  any very large marine food and game fish of the genus Thunnus; related to mackerel; chiefly of warm waters
  supertype:  scombroid_fish  food_fish
  part:  tuna_fish
  member of:  genus_Thunnus
  subtype:  long-fin_tunny__albacore__Thunnus_alalunga  large pelagic tuna the source of most canned tuna; reaches 93 pounds and has long pectoral fins; found worldwide in tropical and temperate waters
  subtype:  horse_mackerel__horsemackerel__bluefin__bluefin_tuna__bluefintuna__Thunnus_thynnus  largest tuna; to 1500 pounds; of mostly temperate seas: feed in polar regions but breed in tropics
  subtype:  yellowfin_tuna__yellowfintuna__yellowfin__Thunnus_albacares  may reach 400 pounds; worldwide in tropics

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