Scientific Name
Chromis margaritifer  
Chromis margaritifer雙斑光鰓雀鯛
by: Lab of Fish Ecol. and Evo., BRCAS
Author Fowler, 1946 Depth 2 - 20M
Chinese 雙斑光鰓雀鯛 Poisonous Fish No 
Family_Chinese 雀鯛科 Economic Fish No 
Family F411 Pomacentridae Edible Fish No  Chinese In Mainland China 雙斑光鰓魚 
Max Length 9 cm  Aquarium Fish Yes  Common Name 厚殼仔、黑婆仔(臺東) 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan South、LanI Is.、Greeb IS.、Tung Sa IS. 
Habitats Coral、Coastal、Lagoon  Holotype Locality Aguni Shima, Ryukyu Is., Japan 
Synonyms Chromis dimidiatus, Chromis dimidiatus margaritifer, Chromis margarifer, Chromis margaritifera   
Reference 臺灣魚類誌(沈等, 1993);Fishbase(2005)  Fowler, H. W. 1946 Moyer, J.T. 1977 沈世傑 編 Shih-Chieh Shen ed. 1993 Kim, Y.U. etc. 1997 
Specimen List ASIZP0057346. ASIZP0059408. ASIZP0063439. ASIZP0069887. ASIZP0069896. ASIZP0069913. ASIZP0069986. ASIZP0069987. ASIZP0071946. ASIZP0073107. ASIZP0074629. ASIZP0803336. ASIZP0803337. ASIZP0803338. ASIZP0803339. ASIZP0803340. ASIZP0913336. ASIZP0913337. ASIZP0913338. ASIZP0913339. ASIZP0913340. BPBMI23181. FRIP21331. NMMBP03146. NMMBP03244. NMMBP06219. NMMBP08570. NMMSTP00111. NTOUP200801-045. NTOUP200801-046. NTOUP200910-154. NTOUP200910-158. NTOUP201203-091. NTOUP201203-180. NTOUP201203-216. NTOUP201203-244. NTOUP201207-593. ...List all 45 records... 
Common Name Whitetail chromis; Bicolor chromis; Chocolate dip; Half and half puller 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal rays XII, 12-13; Anal rays II, 11-12; pectoral rays 16-18; lateral-line scales 16-18; body depth 1.9-2.0 in standard length. 2 spinous procurrent rays on upper and lower orgins of caudal fin. Body dark brown, nearly black, with caudal peduncle and caudal fin abruptly white. Its caudal fin lobes end in two filaments. A black spot is at the base of the pectoral fin. Dorsal fin spine tips blue.
habitats Usually seen singly or in small groups on coastal reefs from 2 to 20m depth, amongst mixed algae-coral reef or rocky reefs. Found on exposed seaward reefs; less abundant in lagoons and channels. Feeds on zooplankton. 
Distribution Distributed in the Pacific Ocean from Christmas Island and northwestern Australia in the eastern Indian Ocean to as far east as the Line and Tuamoto Islands, north to Japan. It is a common species in Taiwan except weastern part. 
Utility No commercial value.