| Family: |
Acanthuridae (Surgeonfishes, tangs, unicornfishes), subfamily: Nasinae |
| Max. size: |
60 cm SL (male/unsexed) |
| Environment: |
reef-associated; brackish; marine |
| Distribution: |
Western Indian Ocean: Mozambique, Mauritius, Reunion (Ref. 54356), and Seychelles. Probably more wide-ranging in the area. Western Central Pacific: Guam (Ref. 35720) and Australia (Ref. 2334). |
| Diagnosis: |
Dorsal spines (total): 5-5; Dorsal soft rays (total): 26-29; Anal spines: 2-2; Anal soft rays: 26-28. Small blackish spots usually present, at least dorsoanteriorly on body. Adults with a large bulbous protuberance at front of snout (Ref 9808). |
| Biology: |
Occurs in coral reefs. Diet consisted a high proportion of the green alga, Caulerpa. |
| IUCN Red List Status: |
Data deficient (DD); Date assessed: 06 May 2010 Ref. (130435)
|
| Threat to humans: |
harmless |
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