Scientific Name
Uraspis uraspis  
Pronounce  
Uraspis uraspis白口尾甲鰺
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Günther, 1860) Depth 50 - 130M
Chinese 白口尾甲鰺 Poisonous Fish No 
Family_Chinese 鰺科 Economic Fish Yes 
Family F364 Carangidae Edible Fish Yes  Chinese In Mainland China 白口尾甲鰺 
Max Length 28 cm FL  Aquarium Fish No  Common Name 瓜仔、正沖鰺 
Distribution in World India Ocean to West Pacific Ocean   Distribution in Taiwan East、South 
Habitats Benthos、Coastal  Holotype Locality Amboina 
Synonyms Caranx guptae, Caranx uraspis, Leucoglossa herklotsi, Uraspis carangoides, Uraspis pectoralis   
Reference 臺灣魚類誌(沈等, 1993)  Smith, J. L. B. 1962 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0055463. ASIZP0055464. ASIZP0056709. ASIZP0060364. ASIZP0070973. ASIZP0076066. ASIZP0804176. ASIZP0914176. NMMBP00503. NMMBP00594. NMMBP01136. NMMBP01858. NMMSTP01032. NTUM07283.  
Common Name Whitemouth trevally; Whitetongue jack; Bassett-hulls trevally 
Redlist Status NL Not in IUCN Redlist     
Characteristic D. VII-VIII (the posterior 1 or 2 embedded and not apparent), I+25-27; A. 0 (detached spines embedded and not apparent), I+20; P. i+20-21; G.R. 5-6+13-16; CLS. 73-80 scales, 0-4 scutes; SLS. 36-39 all scutes; vertebrate 10+14. Breast naked ventrally to orgin of pelvic fin; laterally, naked area of breast extends to naked base of pectoral fin. Lateral line becoming to below 15-16 ray of the second dorsal fin. Tongue, roof and floor of mouth white or cream-coloured, the rest blue-black; body and head dusky to black dorsally, shading to dusky or pale grey ventrally; juveniles and occasionally adults with 6 dusky or blue-black bars, which are about twice the width of pale interspaces and much more distinct on ventral half of body below the level of lateral line (bars evident on specimens as large as 22.5 cm fork length and absent on specimens as small as 12 cm); second dorsal fin pale hyaline proximally with distal areas dusky posteriorly; anal fin yellow-white hyaline with distal areas dusky, especially posteriorly; in small specimens of 8 to 13 cm fork length, pelvic fins whitish with distal half of one third black, at sizes larger than 13 cm entire fin becoming pale white; caudal fin pale to dusky with trailing edges dusky.
habitats Occurs in the continental shelf. Forms schools in depths from 50 to at least 130 m. Feeds on epibenthic crustaceans and cephalopods. 
Distribution Distributed in tropical waters of Indo-Pacific. It is occasionally in eastern to southern Taiwanese waters. 
Utility Excellent food fish; marketed fresh