Scientific Name
Pteropsaron evolans  
Pteropsaron evolans帆鰭鱸鰧
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Author Jordan & Snyder, 1902 Depth 50 - 100M
Chinese 帆鰭鱸鰧 Poisonous Fish No 
Family_Chinese 鱸鰧科 Economic Fish No 
Family F439 Percophidae Edible Fish No  Chinese In Mainland China 帆鰭鱸鰧 
Max Length 7 cm  Aquarium Fish No  Common Name 鴨嘴鱚 
Distribution in World North West Pacific Ocean   Distribution in Taiwan North East 
Habitats Benthos、Coastal  Holotype Locality Sagami Sea, Japan, 60 fms 
Reference 臺灣魚類誌(沈等, 1993);Fishbase(2006);Fishes of Japan(Nakabo, 2002)  Jordan, D. S. etc. 1902 沈世傑 編 Shih-Chieh Shen ed. 1993 Nakabo T. 2002 Nakabo T. 2002 
Specimen List
Common Name Duckbill 
Redlist Status NL Not in IUCN Redlist     
Characteristic Elongate trachinoid fishes, head depressed anteriorly. Eyes usually large, usually with dorsal iris flap. Interorbital space narrow. Mouth large; upper and lower jaws slightly same length. Operculum with one spine; lower 1/2 of operculum covering pectoral base. Two forward-directed spines on anterior snout tip. Two dorsal fins; first dorsal and anal fins strikingly elongated in male and short dorsal fin with a black spot in female; first dorsal fin with VI or VII spines; second part with 20 or 21 rays. Body scales cycloid; cheek naked. Body greyish brown, paler below; 5 to 7 dark blotches on dorsal side of body.
habitats Inhabits sandy-muddy bottoms about 100m depth. 
Distribution Distributed in the northwest Pacific, including Taiwan and southern Japan. It is found in northeastern Taiwanese waters. 
Utility No commercial value.