Scientific Name
Pempheris japonica  
Pempheris japonica日本擬金眼鯛
by: ©Hin-Kiu Mok
Author Döderlein, 1883 Depth 1 - 30M
Chinese 日本擬金眼鯛 Poisonous Fish No 
Family_Chinese 擬金眼鯛科 Economic Fish No 
Family F383 Pempheridae Edible Fish No  Chinese In Mainland China 日本單鰭魚 
Max Length 20 cm  Aquarium Fish Yes  Common Name 三角仔、刀片、水果刀、解餌刀、皮刀 
Distribution in World Australia   Distribution in Taiwan North East 
Habitats Coral、Coastal、Lagoon  Holotype Locality Tokyo, Japan 
Synonyms Catalufa umbra, Pempheris japonicus   
Reference 臺灣魚類誌(沈等, 1993);The Live Marine Resources of the Western Central Pacific, Vol.5(FAO, 2001);Fishbase(2003)  Steindachner, F. etc. 1883 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0061383. ASIZP0073978. NMMBP00090. NMMBP00092. NMMBP01292. NTUM06877.  
Common Name Sweeper 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body rhomboid, its depth 39% SL or more. Eye large, without adipose lid. Snout short. Opercular spines short and blunt. Dorsal fin very short, usually higher than long, much shorter than anal-fin base and in advance of anal-fin origin, with VI-VII narrow spines and 10 to 12 soft rays; anal-fin base long, the fin with III spines and 35 to 37 soft rays; caudal fin shallowly forked; pectoral fins with 17 rays. Scales on flank ctenoid and adherent; lateral line reaching posterior end of caudal-fin rays, with 70 to 82 scales, and scales equal in size or slightly larger than surrounding scales, sensory tubes wider than long; 14.5 scales between lateral line and dorsal-fin origin. Prepelvic area broad and unkeeled. Body variably bronze or silvery brown with dark dorsal-fin tips and anterior anal-fin tips.
habitats Found mainly in tropical and subtropical areas in shallow water, common on coral reefs.During the day, often found in large schools in caves or protected areas from which they disperse at night to feed on crustaceans and polychaete worms. 
Distribution Known only from southern Japan to the Philippines. It is found in northeastern Taiwanese waters. 
Utility No commercial value.