Scientific Name
Pomacentrus brachialis  
Pomacentrus brachialis腋斑雀鯛
No picture was not be chosen to represent this species.
Author Cuvier, 1830 Depth 6 - 40M
Chinese 腋斑雀鯛 Poisonous Fish No 
Family_Chinese 雀鯛科 Economic Fish No 
Family F411 Pomacentridae Edible Fish No  Chinese In Mainland China 臂雀鯛 
Max Length 8 cm  Aquarium Fish Yes  Common Name 厚殼仔 
Distribution in World Australia   Distribution in Taiwan South、North、LanI Is.、Tung Sa IS. 
Habitats Coral、Coastal  Holotype Locality Java, Indonesia. 
Synonyms Pomacentrus melanopterus, Pseudopomacentrus rainfordi   
Reference Fishbase(2005)  Cuvier, G. etc. 1830 
Specimen List NTUM02402. NTUM03134. NTUM04918. RUSI35024.  
Common Name Charcoal damsel 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal rays XIII, 13-15; Anal rays II, 14-15; pectoral rays16-17; lateral-line scales 16-17; body depth 1.8-2.0 in standard length. Upper and lower accessory caudal rays not spinous. Posterior margin of preopercle 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. Adults dusky to almost black, eye with yellow iris and black spot on pectoral fin base.
habitats Found in passages and outer reef slopes; also in current prone and clear water reef flats to 40 m depth. Occurs singly or in small groups. Feeds on zooplankton and benthic algae. 
Distribution Distributed in the western Pacific from Indonesia to Fiji, north to Ryukyu Islands, south to New Caledonia; Kapingamarangi and Marshall Islands in Micronesia. It is found in southern and northern Taiwanese waters; Lanyu, southeastern Taiwan. 
Utility No commercial value.