Scientific Name
Pomacentrus nigromarginatus  
Pomacentrus nigromarginatus黑鰭緣雀鯛
by: Lab of Fish Ecol. and Evo., BRCAS
Author Allen, 1973 Depth 20 - 50M
Chinese 黑鰭緣雀鯛 Poisonous Fish No 
Family_Chinese 雀鯛科 Economic Fish No 
Family F411 Pomacentridae Edible Fish No  Chinese In Mainland China 黑緣雀鯛 
Max Length 8 cm  Aquarium Fish Yes  Common Name 厚殼仔、黑婆(臺東) 
Distribution in World India Ocean to West Pacific Ocean   Distribution in Taiwan East、South、Nan Sa IS. 
Habitats Coral、Coastal  Holotype Locality Outer reef slope off n. end of Kranket I., ca. 3 nautical mi. north of Madang, New Guinea, 5°11'24"S, 145°50'54"E, 35 m 
Reference 臺灣魚類誌(沈等, 1993);Fishbase(2005);Fishes of Japan(Nakabo, 2002)  Allen, G. R. 1973 沈世傑 編 Shih-Chieh Shen ed. 1993 Nakabo T. 2002 Nakabo T. 2002 
Specimen List ASIZP0060033. ASIZP0060643. ASIZP0802426. ASIZP0912426. NMMBP02561.  
Common Name Blackmargined damsel; Black-margined damsel 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal rays XIII, 14-15; Anal rays II, 14-15; pectoral rays 16-17; lateral-line scales 15-17; body depth 1.8-2.0 in standard length. Upper and lower accessory caudal rays not spinous. Posterior margin of preopercle serrated; vertral margin of infraorbital serrated. Both jaws with biserial teeth. Predorsal scales reaching above anterior nostril; no scales on infraorbitals. Upper and lower lobes of caudal fin without filamentous posterior rays. Body bluish-grey, paler below, with a large black blotch almost covering pectoral-fin base; dorsal origin of the fourth black bar, which usually originates well behind the last dorsal spine, towards the center of the soft dorsal fin. Caudal fin often with thin black posterior margin.
habitats Occurs in outer reef slopes of coral reefs at depth of 20 to 50m, usually around rocky outcrops in sandy areas. Also along deep walls with caves to 50 m depth. Feeds on zooplankton and algae. 
Distribution Distributed in the eastern Indian Ocean and western Pacific including Indonesia (Flores and Moluccas Islands), western Australia (Rowley Shoals), northern GBR, Coral Sea, Papua New Guinea, Solomon Islands, north to the Philippines, Taiwan, and Ryukyu Isla 
Utility No commercial value.