Noun blackfish has 3 senses
  1. tautog, blackfish, Tautoga onitis - large dark-colored food fish of the Atlantic coast of North America
    --1 is a kind of wrasse
    --1 is a member of Tautoga, genus Tautoga
  2. blackfish - female salmon that has recently spawned
    --2 is a kind of
    salmon
  3. pilot whale, black whale, common blackfish, blackfish, Globicephala melaena - small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school
    --3 is a kind of dolphin
    --3 is a member of Globicephala, genus Globicephala
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