Scientific Name
Zenarchopterus dunckeri  
Zenarchopterus dunckeri董氏異鱗鱵
by: Lab of Fish Ecol. and Evo., BRCAS
Author Mohr, 1926 Depth 0 - 10M
Chinese 董氏異鱗鱵 Poisonous Fish No 
Family_Chinese 鱵科 Economic Fish No 
Family F254 Hemiramphidae Edible Fish Yes  Chinese In Mainland China 董氏異鱗鱵 
Max Length 14 cm  Aquarium Fish No  Common Name 董氏異鰭鱵、補網師、水針 
Distribution in World India Ocean to West Pacific Ocean   Distribution in Taiwan West、South 
Habitats Coral、Benthos、Estuary、Coastal、
Holotype Locality Ambon Island, Moluccas Islands, Indonesia 
Synonyms Hemiramphus dispar   
Reference Kuo & Shao (1999);Fishes of Japan(Nakabo, 2002);臺灣淡水及河口魚類誌(陳及方, 1999) 
Specimen List ASIZP0057296. NMMBP03280. NMMBP09032.  
Common Name Duncker's river garfish 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body elongate and compressed, with greatly prolonged, beak-like lower jaw; upper jaw short, triangular, and scaly, its width slightly shorter than its length; lower-jaw length longer than head length. Fleshy protrusion of nostril long. Total number of gill rakers on first gill arch 15 to 18, 3 to 6 on upper and 11 to 13 on lower limb of arch. Dorsal fin rays 10 to 12; anal fin rays 10 to 13; mature males with 3rd-5th dorsal ray filamentous and 6th-7th anal ray enlarged, fan-like; pectoral fins short with 10 rays; pelvic fins located closer to caudal-fin base than to origin of pectoral fins; distance from pelvic-fin origin to caudal-fin base contained 1.3 to 1.5 times in distance from pectoral-fin origin to pelvic-fin origin; caudal fin truncate. Predorsal scales 27 to 30. Body greenish above, silvery white below; upper jaw uniformly brown.
habitats A tropical estuarine species. Found at surface levels in estuaries. Its habitat may be confined to brackish water. Feeds on terrestrial insects.  
Distribution Distributed in the Indo-West Pacific from Andaman Islands, New Guinea, the East Indies and the Admiralty, Solomon, and the Ryukyu Islands. Reported from the estuaries along the Cambodian coast. It is found in western and southern Taiwanese waters.  
Utility Not seen in markets.