Source : Webster's Revised Unabridged Dictionary (1913)

Pigfish \Pig"fish`\, n. (Zo["o]l.)
   (a) Any one of several species of salt-water grunts; --
       called also {hogfish}.
   (b) A sculpin. The name is also applied locally to several
       other fishes.

Source : WordNet®

pigfish
     n 1: found around the Great Barrier Reef [syn: {giant pigfish}, {Achoerodus
          gouldii}]
     2: found from Long Island southward [syn: {hogfish}, {Orthopristis
        chrysopterus}]
     [also: {pigfishes} (pl)]