Scientific Name	Pempheris nyctereutes   Pronounce			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	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.