Definition of "pigfish"

Any one of several species of salt-water grunts, called also hogfish.

1. A golden-spot hogfish (Bodianus perditio)  examples

2. A redmouth grunt (Orthopristis chrysoptera)  examples

3. A red pigfish (Bodianus unimaculatus)  examples

Any of several other fishes thought to resemble pigs, including

1. A sculpin, family Cottidae  examples

2. Fishes in the family Congiopodidae  examples