Scientific Name
Naso brachycentron  
Naso brachycentron粗棘鼻魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Valenciennes, 1835) Depth 2 - 20M
Chinese 粗棘鼻魚 Poisonous Fish No 
Family_Chinese 刺尾鯛科 Economic Fish No 
Family F470 Acanthuridae Edible Fish Yes  Chinese In Mainland China 粗棘鼻魚 
Max Length 90 cm  Aquarium Fish Yes  Common Name 剝皮仔、鬼角(臺東)、掛角(屏東) 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan Greeb IS. 
Habitats Coral  Holotype Locality Waigeo 
Synonyms Naseus brachycentron, Naso branchycentron, Naso rigoletto, Prionolepis hewitti   
Reference 臺灣魚類誌(沈等, 1993);Fishes of the Great Barrier Reef and Coral Sea(Randall et al.,1990)  Cuvier, G. etc. 1835 Yoshino, T. etc. 1984 Randall, J. E., G. R. Allen etc. 1990 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0056234. ASIZP0063490. ASIZP0806723. ASIZP0806739. ASIZP0916723. ASIZP0916739. FRIP21472. FRIP21687.  
Barcode2015-10-23,Chia-Hao Chang,CO1,%
Common Name Ringtailed unicornfish; Humpback unicornfish 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal-fin rays IV-V, 28-30 ; anal-fin rays II, 27-28 ; pectoral-fin rays 17; pelvic-fin rays I,3. Juveniles plain gray and a white peduncle. Adult males with a long anterior to eye which may extend before mouth; adult females with only a prominent bump before eye; adult with two peduncular plates; with a sharp keel ending in a forward-projecting point; head and upper half of body gray, the lower half whitish to pale yellowish, the demarcation irregular; often with a few small pale blue spots behind eye; large males with dark bars on lower side.
habitats Occurs in deep coastal to outer reef slopes, usually in small groups but occasionally in large schools. Adults seen in shallow reef aeras but usually difficult to approach underwater. Feeds on benthic algae. 
Distribution Indo-Pacific: East Africa to the Marquesan and Society islands; north to the Ryukyus, south to Vanuatu; Palau and Guam in Micronesia. Taiwan: South, Lyudao.  
Utility Commercial aquarium species.