Scientific Name
Pomacentrus grammorhynchus  
Pomacentrus grammorhynchus藍點雀鯛
by: ©Randall, John E.
Author Fowler, 1918 Depth 2 - 12M
Chinese 藍點雀鯛 Poisonous Fish No 
Family_Chinese 雀鯛科 Economic Fish No 
Family F411 Pomacentridae Edible Fish No  Chinese In Mainland China 藍點雀鯛 
Max Length 9 cm  Aquarium Fish Yes  Common Name 厚殼仔 
Distribution in World Australia   Distribution in Taiwan Greeb IS.、Tung Sa IS. 
Habitats Coral、Coastal、Lagoon  Holotype Locality Philippines 
Synonyms Pomachromis grammorhynchus   
Reference 臺灣魚類誌(沈等, 1993);Fishbase(2005);Fishes of Japan(Nakabo, 2002)  Fowler, H. W. 1918 沈世傑 編 Shih-Chieh Shen ed. 1993 Nakabo T. 2002 Nakabo T. 2002 
Specimen List ASIZP0072457. ASIZP0805143. ASIZP0915147. NTOUP201203-192. NTUM03033.  
Common Name Blue-spot damsel; Bluespot damsel 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal rays XIII, 14-15; Anal rays II, 14-15; pectoral rays 17-18; 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. Body light brown to tan with a blue spot on upper edge of caudal peduncle. Adults have a bright yellow spot above the pectoral fin base.
habitats Inhabits lagoons and passages among branching corals at depth of 2 to 12m. Occurs solitarily or in small groups. Feeds mainly on benthic algae. 
Distribution Distributed in the western Pacific, including Taiwan, Philippines, New Guinea, Rowley Shoals, Great Barrier Reef, and Palau (Belau), Truk, and Pohnpei in Micronesia. It is very rare and only found in Lyudao, southeastern Taiwan. 
Utility No commercial value.