| Family: |
Acanthuridae (Surgeonfishes, tangs, unicornfishes), subfamily: Nasinae |
| Max. size: |
34.7 cm SL (male/unsexed); 32.5 cm SL (female) |
| Environment: |
reef-associated; marine; depth range 70 - 80 m |
| Distribution: |
Western Pacific: Japan, Taiwan and the Philippines. |
| Diagnosis: |
Dorsal spines (total): 6-6; Dorsal soft rays (total): 26-30; Anal spines: 2-2; Anal soft rays: 26-28. This species differs from its congeners in having D VI; acute head, without rostral projection or tuberosity in adults; bony plates of caudal peduncle 2; relatively large eye (6.3-7.2% SL); median body depth, 2.8-2.9 in SL; teeth on upper jaw 100-120, on lower jaw 90-110; uniformly brownish body color; relatively small adult size which might not exceed 350 mm SL; and a different genome structure (Ref. 87782). |
| Biology: |
This species feeds on benthic crustaceans and bivalves, indicating that this fish feeds on marine organisms living on the sea floor. Caught by bottom gill-net and hook and line at 70-80 m depth (Ref. 87782). |
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. (130435)
|
| Threat to humans: |
harmless |
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