Scientific Name
Pempheris nyctereutes  
Pempheris nyctereutes白緣擬金眼鯛
by: Fishery Research Institute
Author Jordan & Evermann, 1902 Depth 1 - 30M
Chinese 白緣擬金眼鯛 Poisonous Fish No 
Family_Chinese 擬金眼鯛科 Economic Fish No 
Family F383 Pempheridae Edible Fish No  Chinese In Mainland China 白邊單鰭魚 
Max Length 18 cm  Aquarium Fish Yes  Common Name 三角仔、刀片、水果刀、解餌刀、皮刀、菜刀 
Distribution in World Japan to Taiwan   Distribution in Taiwan South 
Habitats Coral、Coastal、Lagoon  Holotype Locality East Indies 
Synonyms Liopempheris sasakii, Pempheris sasakii   
Reference 臺灣魚類誌(沈等, 1993);Fishbase(2003)  Jordan, D. S. etc. 1902 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0057298. ASIZP0059033. ASIZP0066839. FRIP00832. FRIP20019. FRIP21600. NMMBP02462. NMMBP03168. NTMP1468. NTUM08101. USNM00336714. USNM00343708.  
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 narrow spines and 9 to 10 soft rays; anal-fin base long, with III spines and 41 to 45 soft rays; caudal fin shallowly forked; pectoral fins with 18-19 rays. Scales on flank cycloid and deciduous; lateral line reaching posterior end of caudal-fin rays, with 67 to 80 scales, and scales smaller than (and partly or mostly concealed by) surrounding scales, sensory tubes longer than wide or wider than long; 8-10 scales between lateral line and dorsal-fin origin. Prepelvic area narrow and keeled. Deep purplish dorsally, almost black posterior to dorsal fin, shading to silvery flanks with pinkish or lavender iridescence, leading edge of dorsal fin dark, base of anal fin dark with remainder of fin pale or lightly pigmented, caudal fin dusky or yellow.
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 found in Japan and southern Taiwan. 
Utility No commercial value.