| Family: |
Acanthuridae (Surgeonfishes, tangs, unicornfishes), subfamily: Nasinae |
| Max. size: |
60 cm TL (male/unsexed) |
| Environment: |
reef-associated; marine; depth range 43 - 220 m |
| Distribution: |
Pacific Ocean: antitropical, from Japan and Lord Howe Island to the Hawaiian Islands. |
| Diagnosis: |
Dorsal spines (total): 6-7; Dorsal soft rays (total): 26-28; Anal spines: 2-2; Anal soft rays: 26-28. Body elongate, higher and more bluish than N. lopezi. Forehead without rostral prominence even in adults. Two small peduncular plates each with a sharp, approximately semicircular, laterally projecting keel. caudal fin emarginate without a filament. Reaches 46 cm SL. |
| Biology: |
Found in deep seaward reefs (Ref. 9710). Benthopelagic and mesopelagic (Ref. 58302). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 06 May 2010 Ref. (130435)
|
| Threat to humans: |
harmless |
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