Scientific Name
Rexea prometheoides  
Rexea prometheoides短帶鰆
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Bleeker, 1856) Depth 135 - 400M
Chinese 短帶鰆 Poisonous Fish No 
Family_Chinese 帶鰆科 Economic Fish Yes 
Family F473 Gempylidae Edible Fish Yes  Chinese In Mainland China 短蛇鯖 
Max Length 40 cm  Aquarium Fish No  Common Name 短梭 
Distribution in World India Ocean to West Pacific Ocean   Distribution in Taiwan West、South、North East 
Habitats Ocean、Deep Sea、Coastal  Holotype Locality Ambon 
Synonyms Jordanidia prometheoides, Jordanidia raptoria, Rexea promethoides, Rexea solandri, Reyea prometheoides, Thyrsites prometheoides   
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 
Specimen List ASIZP0060008. ASIZP0060911. ASIZP0061067. ASIZP0061171. ASIZP0062318. ASIZP0062319. ASIZP0063213. ASIZP0065875. ASIZP0067835. ASIZP0068147. ASIZP0068148. ASIZP0068313. ASIZP0073813. ASIZP0075193. ASIZP0080572. ASIZP0080622. ASIZP0700115. ASIZP0700173. ASIZP0801030. ASIZP0803596. ASIZP0803908. ASIZP0803909. ASIZP0900295. ASIZP0911030. ASIZP0913596. ASIZP0913908. ASIZP0913909. ASIZP0916311. FRIP03038. NMMBP00037. NMMBP01237. NMMBP02800. NMMBP02801. NMMBP02803. NMMBP02904. NMMBP03706. NMMBP03760. ...List all 41 records... 
Barcode2008-03-24,Kui-Ching Hsu,CO1,100%
Common Name Prometheus gemfish; Royal escolar; Southern kingfish; Northern gemfish; Silver gemfish 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body elongate and compressed; anteriorly in upper jaw 5 or 6 fangs and 1 smaller fang anteriorly on each side of lower jaw; palatine teeth 11 to 16. Spinescent gill rakers with 2 to 4 cusps. First dorsal fin with XVIII spines, second dorsal fin with I spine and 14 to 17 soft rays followed by 2 finlets; anal fin with I free and I comprised spine and 12 to 15 soft rays followed by 2 finlets; pectoral fins with 13 rays. Lateral line bifurcated below fourth to fifth spine of first dorsal fin, upper line reaches middle to end of second dorsal-fin base, lower line midlateral. Most of body naked except a large lancet-shaped stripe of squamation extending forward from caudal peduncle to below middle of first dorsal-fin base. Body greyish with silvery tint; fins hyaline except a black blotch on membranes between first and second dorsal-fin spine, rest of second dorsal blackish or grey.
habitats Benthopelagic from 135 to 540 m. Feeds on fishes, crustaceans, and cephalopods. 
Distribution Known in the Indo-West Pacific from off Mozambique, Kenya, Reunion Island, Saya de Malha Bank, North Australia, Indonesia, Vietnam, Philippines, Riu-Kiu Islands, Taiwan and southern Japan. 
Utility Utilized as a food fish.