Whitefin Surgeonfish

Body varying from light bluish grey to dark brown, without blue lines. Outer part of pectoral fins abruptly white, the demarcation curved such that pale area is broadest on central part of fin. Least depth of caudal peduncle 3.1 to 3.3 times in head length. Maximum standard length about 33 cm (Ref 9808).

Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 22 - 33; Analspines: 2 - 3; Analsoft rays: 18 - 31; Vertebrae: 22

Found off steep outer-reef escarpments. May be solitary but most commonly seen in small aggregations feeding on zooplankton well off the bottom.

Acanthurus albipectoralis (with paper to show white fin)

Acanthurus albipectoralis (whitefin surgeonfish) is a marine reef tang in the fish family Acanthuridae. Individuals grow to a maximum length of 33 cm (13 in).