[sur-juh
n-fish] 
) -fish, (especially referring to two or more kinds or species) -fish⋅es. | any tropical, coral-reef fish of the family Acanthuridae, with one or more sharp spines near the base of the tail fin. |
| sur·geon·fish (sûr'jən-fĭsh') n. pl. surgeonfish or sur·geon·fish·es Any of various bright-colored tropical marine fishes of the family Acanthuridae, having one or more sharp erectile spines near the base of the tail. [From its lancetlike spines, which resemble surgeons' instruments.] |