| Family: |
Acanthuridae (Surgeonfishes, tangs, unicornfishes), subfamily: Acanthurinae |
| Max. size: |
25 cm TL (male/unsexed) |
| Environment: |
reef-associated; marine; depth range 2 - 30 m |
| Distribution: |
Indian Ocean: Bay of Bengal (Ref. 8940) and the Andaman Sea west to Maldives and Chagos Archipelago, and east to islands of southern Indonesia at least to Bali. |
| Diagnosis: |
Dorsal spines (total): 8-8; Dorsal soft rays (total): 23-33; Anal spines: 3-3; Anal soft rays: 22-29. Margin of caudal fin narrow and white. No orange area behind gill opening and extending ventrally behind base of pectoral fins (juveniles mimic the angelfish Centropyge eibli) (Ref 9808).
Description: Characterized further by having dark band from chin to upper edge of gill cover; white margin on caudal fin; length of caudal spine 2.5-4.7 in head length; greatest depth of body 1.8-2.0 in SL (Ref. 90102). |
| Biology: |
Occurs in shallow lagoon and seaward reefs, in areas of mixed coral, rock or sand. Juveniles mimic the cryptic Centropyge eibli (Ref. 9710, 48637). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 04 May 2010 Ref. (130435)
|
| Threat to humans: |
harmless |
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