Scientific Name
Gempylus serpens  
Gempylus serpens帶鰆
by: Lab of Fish Ecol. and Evo., BRCAS
Author Cuvier, 1829 Depth 0 - 570M
Chinese 帶鰆 Poisonous Fish No 
Family_Chinese 帶鰆科 Economic Fish No 
Family F473 Gempylidae Edible Fish Yes  Chinese In Mainland China 蛇鯖 
Max Length 100 cm  Aquarium Fish No  Common Name 刀梭 
Distribution in World global   Distribution in Taiwan South、North、North East 
Habitats Ocean、Deep Sea、Coastal  Holotype Locality off Africa 
Synonyms Acinacea notha, Gempylus coluber, Gempylus notha, Gempylus ophidianus, Lemnisoma thyrsitoides, Muraena compressa   
Reference 臺灣魚類誌(沈等, 1993);The Live Marine Resources of the Western Central Pacific, Vol.6(FAO, 2001);Fishes of Japan(Nakabo, 2002)  沈世傑 編 Shih-Chieh Shen ed. 1993 Nakabo T. 2002 Nakabo T. 2002 Parenti, P. 2002 
Specimen List ASIZP0069495. ASIZP0069534. ASIZP0069555. ASIZP0071259. ASIZP0071377. NMMBP05360.  
Common Name Snake mackerel; Snack mackerel 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body greatly elongate and strongly compressed; lower jaw extends anterior to upper jaw; tips of both jaws with dermal processes; 3 immovable and 0 to 3 movable fangs anteriorly in upper jaw; no fangs in lower jaw; vomer edentate. First dorsal-fin with XXVI to XXXII spines, its base very long, second dorsal fin with a minute spine and 11 to 14 soft rays followed by 5 or 6 finlets; anal fin with II free and I comprised spine and 10 to 12 soft rays followed by 6 or 7 finlets; pectoral fins with 12 to 15 soft rays; pelvic fins reduced to I spine and 3 or 4 soft rays. Two lateral lines, both originating below first spine of dorsal fin, the upper follows dorsal contour of body to end of first dorsal-fin base, the lower descends gradually posterior to about tip of pectoral fin and runs midlaterally. Scales absent except on posterior part of body. Vertebrae total 48 to 55, including 24 to 29 precaudal and 23 to 26 caudal. Colour: Body uniformly dark brown; all fins dark brown with somewhat darker margins.
habitats Strictly oceanic and usually solitary. Adults migrate to the surface at night while larvae and juveniles are found near the surface during the day. Feeds on fishes, cephalopods and crustaceans. 
Distribution Worldwide in tropical and subtropical seas. It is mainly found in eastern, northeastern and southern Taiwanese waters. 
Utility Sold frozen, as sausages or fish cake. Not eaten raw, but cooked in any way, also dried.