: A single, depressible sharp spine resides in a groove on each side of the caudal peduncle, which can inflict painful wounds on predators or handlers.

: Typically gray-brown to greenish-gray, marked by 8 to 12 narrow dark vertical bars on the posterior flanks.

Acanthurus chirurgus, Doctorfish : fisheries, gamefish, aquarium

: Deep, strongly compressed oval body with a steep head profile and small, low-set mouth.

: Reaches a maximum length of approximately 34–38 cm, though most individuals are around 25 cm. They can live up to at least 11 years. 2. Habitat and Distribution

Biology Glossary (e.g. epibenthic) Inhabits shallow reefs or rocky areas. Found in loose aggregations (Ref. 9710). Mainly diurnal. Search FishBase

Acanthurus chirurgus, Doctorfish : fisheries, gamefish, aquarium