Scientific Name
Kuhlia rupestris  
Kuhlia rupestris大口湯鯉
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Lacepède, 1802) Depth 0 - 10M
Chinese 大口湯鯉 Poisonous Fish No 
Family_Chinese 湯鯉科 Economic Fish No 
Family F400 Kuhliidae Edible Fish Yes  Chinese In Mainland China 大口湯鯉 
Max Length 45 cm  Aquarium Fish Yes  Common Name 大嘴烏尾冬仔 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan East、West、South、North、North East、LanI Is. 
Habitats Benthos、Estuary、Fresh Water、Coastal  Holotype Locality Reunion Is. 
Synonyms Centropomus rupestris, Doules fuscus, Doules rupestris, Dules fuscus, Dules guamensis, Dules haswellii, Dules marginatus, Dules rupestris, Dules vanicolensis, Kuhlia caerulescens, Kuhlia rupestris hedleyi, Kuhlia rupestris sauvagei, Kuhlia sauvagii ...all 18..  
Reference 臺灣魚類誌(沈等, 1993)  Lacepede, B. G. E. 1802 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0057981. ASIZP0060613. ASIZP0070376. FRIP00579. NMMBP01986. NMMBP02696. NMMBP03083. NMMBP03853. NMMBP05950. NMMSTP00954. NTOUP200910-114.  
Common Name Rock flagtail; Aholehole; Jungle perch 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body oblong, compressed. Head length less than body depth; preorbital and preopercle margins serrate; 2 flat spines on opercle. Eye moderately large. Mouth small, maxilla reaching to below posterior half of eye; bands of fine teeth in jaws, vomer, and palatines. A single dorsal fin, deeply notched between spinous and soft-rayed portions, with X spines and 10 to 12 soft rays; anal fin with III spines and 9 to 10 soft rays; caudal fin emarginate, lobes somewhat rounded. Scales ctenoid, moderately large; lateral line complete, with 48 to 53 scales; a well-developed scaly sheath at base of dorsal and anal fins. Silvery, the scales dorsally on body with black edges, those on side with a black bar or spot; juveniles with a broad black zone, edged above and below in white, in soft portion of dorsal fin, and each lobe of caudal fin with a large, white-edged black spot; black areas in these fins enlarge with growth until in adults most of these fins black.
habitats Primarily a freshwater inhabitant but may penetrate adjacent marine habitats. Occurs in estuaries and the middle reaches of rivers; usually in relatively fast-flowing, clear streams. 
Distribution Widespread in the Indo-Pacific from the Red Sea to South Africa, from Ryukyu Islands to Queensland and eastward to the Society Islands. It is commonly found in Taiwan. 
Utility Good food fish.