Scientific Name
Hyporhamphus taiwanensis  
Hyporhamphus taiwanensis臺灣下鱵
by: R. Kuntz & W. Wells
Author Collette & Su, 1986 Depth 0 - 10M
Chinese 臺灣下鱵 Poisonous Fish No 
Family_Chinese 鱵科 Economic Fish No 
Family F254 Hemiramphidae Edible Fish No  Chinese In Mainland China 臺灣下鱵魚 
Max Length 15.1 cm  Aquarium Fish No  Common Name 補網師、水針 
Distribution in World Taiwan [Endemic in Taiwan]   Distribution in Taiwan North 
Habitats Estuary、Coastal  Holotype Locality Keelung River, Shih-lin, Taipei Hsien, Taiwan 
Synonyms Hyporhamphus occipitalis   
Reference 臺灣魚類誌(沈等, 1993);Fishbase(2003)  Collette, B. B. etc. 1986 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List AMNH20324Paratype. USNM00191155Holotype. USNM00278991Paratype.  
Common Name Taiwan halfbeak 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body elongate and compressed, with greatly prolonged, beak-like lower jaw longer than head length; upper jaw short, triangular and scaly, its width 0.76 to 0.96 times in its length. With tricuspid teeth in both jaws. Preorbital ridge present; posterior branch to preorbital lateral-line canal absent. Total number of gill rakers on first gill arch 29 to 33. Dorsal-fin rays 13 to 16; anal-fin rays 14 to 17; pectoral fins short, with 10 or 11 rays; caudal fin emarginate, not strongly forked. Anterior part of dorsal and anal fins covered with scales; predorsal scales 52 to 61. Vertebrae 49-51. Body greenish above, the silvery lateral stripe widening posteriorly, white ventrally; fleshy tip of beak reddish.
habitats A coastal water species. 
Distribution known only from the type specimens from Taiwan. It is found in Danshuei River, northern Taiwan. 
Utility No commercial value.