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Acanthurus bahianus
The oval-shaped body of the ocean surgeon is moderately deep and compressed. The mouth is small and low on the head, well adapted for scraping algae from rocks and coral. There is a sharp scalpel-like spine located on the side of the caudal peduncle that fits into a horizontal groove. The relatively long dorsal fin is continuous and unnotched. The caudal fin is moderately to deeply emarginated. The scales are small and ctenoid. The stomach is gizzard-like (see food habit section for more information). Ocean surgeon coloration © Richard Bejarano
Cow Wreck Beach, Anegada, BVI.
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