Naso unicornis (Forsskål, 1775)
- Dataset
- The National Checklist of Taiwan (Catalogue of Life in Taiwan, TaiCoL)
Classification
- kingdom
- Animalia
- phylum
- Chordata
- class
- Actinopterygii
- order
- Perciformes
- family
- Acanthuridae
- genus
- Naso
diagnostic
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.
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.