parrot-fish

noun, plural (especially collectively) par·rot·fish, (especially referring to two or more kinds or species) par·rot·fish·es.

1. any of various chiefly tropical marine fishes, especially of the family Scaridae: so called because of their brilliant coloring and the shape of their jaws.

noun plural -fish or -fishes

1. any brightly coloured tropical marine percoid fish of the family Scaridae, having parrot-like jaws
2. Australian any of various brightly coloured marine fish of the family Labridae
3. any of various similar fishes

n.1712, from parrot (n.) + fish (n.).