Kingdom Animalia  
 Phylum Chordata  
 Class Actinopterygii  
 Order Perciformes  
 Family Gempylidae  
 Genus Promethichthys  
  Promethichthys prometheus  (Cuvier, 1832) 
Provider: Kwang-Tsao Shao 
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Synonyms:Dicrotus armatusDicrotus parvipinnisGempylus prometheusPrometheus atlanticusPromethichthys pacificusPromethichthys solandriPromethychthis prometheusPromethycthus prometeusPromethycthus prometheusPrometichthys prometeusPrometichthys prometheus details
Citation: 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)
Character: Body moderately elongate and compressed; lower jaw extends slightly anterior to upper jaw; tip of both jaws without dermal processes; strong jaw dentition including 3 or 4 immovable and 0-3 movable fangs anteriorly in upper jaw; 1 shorter fang anteriorly on each side of lower jaw and numerous lateral compressed teeth; no vomerine teeth; palatine teeth present. Spinescent gill rakers on first gill arch with 1 to 3 cusps and many small spines; the angular raker long and triple-rooted. First dorsal fin with XVII to XVIII spines, second dorsal fin with I spine and 17 to 20 soft rays followed by 2 finlets; anal fin with II comprised spines and 15 to 17 soft rays followed by 2 finlets; pectoral fins with 13 or 14 soft rays. A single lateral line running subdorsally from above upper angle of gill opening to under the fourth spine of the first dorsal fin, then abruptly curving down and, from under sixth spine, midlateral to caudal-fin origin. Body greyish to copper brown; fins blackish at more than 40 cm standard length, yellowish with blackish tips in smaller specimens. 
Habitat: Found at continental slopes, around oceanic islands and submarine rises. Migrates to midwater at night. Feeds on fish, cephalopods and crustaceans. 
Distribution: Tropical and warm temperate waters of all oceans, but absent from eastern Pacific except at Salay Gomez Ridge. 
Utility: No commercial value. 
Name Code: 381674
  IUCN Red List:LC      Marine     
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