Scientific Name
Naso unicornis  
Naso unicornis單角鼻魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Forsskål, 1775) Depth 1 - 180M
Chinese 單角鼻魚 Poisonous Fish No 
Family_Chinese 刺尾鯛科 Economic Fish Yes 
Family F470 Acanthuridae Edible Fish Yes  Chinese In Mainland China 單角鼻魚 
Max Length 70 cm  Aquarium Fish Yes  Common Name 剝皮仔、打鐵婆、獨角倒吊、鬼角(臺東)、老牛(澎湖)、掛角狄(澎湖) 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan East、West、South、North、North East、PonFu、ShaoLiuChew、LanI Is.、Greeb IS.、Tung Sa IS.、Nan Sa IS. 
Habitats Coral、Coastal、Lagoon、Coral&Sand  Holotype Locality Djedda, Red Sea 
Synonyms Acanthurus unicornis, Chaetodon unicornis, Naso unicornus   
Reference 臺灣魚類誌(沈等, 1993);Fishes of the Great Barrier Reef and Coral Sea(Randall et al.,1990)  Forsskål, P. 1775 Randall, J. E., G. R. Allen etc. 1990 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0054870. ASIZP0055270. ASIZP0058482. ASIZP0058483. ASIZP0058623. ASIZP0059013. ASIZP0060521. ASIZP0060990. ASIZP0066651. ASIZP0070768. ASIZP0801760. ASIZP0802633. ASIZP0802660. ASIZP0806722. ASIZP0900046. ASIZP0911760. ASIZP0916722. ASIZP0916910. FRIP03164. FRIP20277. FRIP21228. FRIP21473. FRIP21476. FRIP21594. FRIP21796. FRIP22152. NMMBP05064. NMMBP05514. NMMBP05641. NMMBP06220. NMMSTP00325. NMNSF01274. NTUM01200. NTUM01206. NTUM01216. NTUM01217. NTUM01220. ...List all 44 records... 
Barcode2008-03-24,Kui-Ching Hsu,CO1,100%
Common Name Unicorn tang; Unicornfish; Brown unicornfish; Bluespine unicornfish; Bluespine unicorn; Longhorn unicornfish; Humphead unicornfish; Longnose unicornfish; Long-snouted unicornfish 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal-fin rays VI, 27-30 ; anal-fin rays II, 27-30 ; pectoral-fin rays 17-18 ; pelvic-fin rays I,3. Body yellowish to olivaceous gray dorsally, paler ventrally; a blue area sometimes present around pectoral fins; Candal peduncular plates and keels blue; lips whitish or blue; dorsal and anal fins with a blue margin; caudal fin orangish basally. Presence of a horn or rostrum. Both caudal lobes prolonged into filaments. Adult males with better developed horn, candal peduncular spines, and caudal filaments than females of the same size.
habitats Primarily an inshore fish found in various reef habitats, inshore, lagoons as well as deep waters along outer reef walls. Juveniles are found in shallow protected bays and harbours. Typically occurring in small groups. Mainly diurnal, it feeds on coarse l 
Distribution Indo-Pacific: Red Sea and East Africa to the Hawaiian, Marquesas and Tuamotu islands; north to southern Japan, south to Lord Howe and Rapa islands. Taiwan: South, Hsiaoliuchiu, Penghu, Lanyu, Lyudao, North, East, North-East, West.  
Utility Commercial fishery and aquarium species.