| Family: |
Acanthuridae (Surgeonfishes, tangs, unicornfishes), subfamily: Nasinae |
| Max. size: |
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57 cm SL (male/unsexed); max.weight: 2,250.0 g |
| Environment: |
reef-associated; marine; depth range - 15 m |
| Distribution: |
Western Pacific: Taiwan and Indonesia. |
| Diagnosis: |
Dorsal spines (total): 5-5; Dorsal soft rays (total): 29-29; Anal spines: 2-2; Anal soft rays: 27-27; Vertebrae: 21-21. Protuberance or horn on forehead or snout absent. Convex head with slight angularity before eye. Anterior interorbital space and adjacent internarial space strongly elevated with a rounded median ridge. Body depth 3.1-3.2 in SL. Two keeled peduncular plates on each side, keels not large nor antrorse. Dorsal fin not elevated, first dorsal spine longest, 2.8 in HL. Emarginate caudal fin. |
| Biology: |
|
| IUCN Red List Status: |
Data deficient (DD); Date assessed: 06 May 2010 Ref. (130435)
|
| Threat to humans: |
harmless |
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