Class: Actinopterygii (ray-finned fishes)
Order: Perciformes (Perch-likes)
Family: Acanthuridae (Surgeonfishes, tangs, unicornfishes)
Genus/species: Acanthurus bahianus
GENERAL CHARACTERISTICS: Common length : 25.0 cm (10 inches). Oval body with uniform color (Usually blue-gray to dark brown), the pale to dark marking around the eyes, and the light yellow is now found on their bodies. Most have blue or white markings on the dorsal fin, anal fin, and tail fins and pale bands can sometimes be seen at the base of their tails.
DISTRIBUTION/HABITAT: Western Atlantic: Massachusetts, USA and Bermuda southward to the Gulf of Mexico and Brazil. Eastern Atlantic: Ascension and St. Helena islands. Inhabits shallow bottoms with coral or rocky formations, depth range 2-40 m or 6.5-130 ft.
DIET IN THE WILD: Algae
REMARKS: The spine on both sides of the caudal peduncle may inflict painful wounds.
California Academy of Sciences, Steinhart Aquarium, Caribbean Reef 2018
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2-20-13, 4-13-17, 7-25-18