pigfish noun7 •Any one of several species of salt-water grunts, called also hogfish. •A golden-spot hogfish (Bodianus perditio) •A redmouth grunt (Orthopristis chrysoptera) •A red pigfish (Bodianus unimaculatus) •Any of several other fishes thought to resemble pigs. •A sculpin, family Cottidae •Fishes in the family Congiopodidae formspigfishes