Scientific Name
Plectroglyphidodon johnstonianus  
Plectroglyphidodon johnstonianus約島固曲齒鯛
by: Lab of Fish Ecol. and Evo., BRCAS
Author Fowler & Ball, 1924 Depth 0 - 18M
Chinese 約島固曲齒鯛 Poisonous Fish No 
Family_Chinese 雀鯛科 Economic Fish Yes 
Family F411 Pomacentridae Edible Fish Yes  Chinese In Mainland China 尾斑椒雀鯛 
Max Length 14 cm  Aquarium Fish Yes  Common Name 厚殼仔 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan East、South、North East、ShaoLiuChew、LanI Is.、Greeb IS. 
Habitats Coral、Coastal  Holotype Locality Johnston I., Pacific 
Synonyms Plectroglyphidodon nitidus   
Reference 臺灣魚類誌(沈等, 1993);Fishbase(2005);Fishes of Japan(Nakabo, 2002)  Fowler, H. W. etc. 1924 沈世傑 編 Shih-Chieh Shen ed. 1993 Nakabo T. 2002 Nakabo T. 2002 
Specimen List ASIZP0057083. ASIZP0059125. ASIZP0059278. ASIZP0069895. ASIZP0069991. ASIZP0073129. ASIZP0700306. ASIZP0803345. ASIZP0803346. ASIZP0913345. ASIZP0913346. NTUM02848. NTUM02849. NTUM03129.  
Barcode2012-10-15,柯慧玲,CO1,100% 2012-10-15,張家豪,CO1,100%
Common Name Widebar damsel; Blue-eye damsel; Johnston damsel; Johnston Island damsel 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal rays XII, 18-19; Anal rays II, 16-18; pectoral rays 19; lateral-line scales 21-22; gill raker 2+10-11 on first gill arch; body depth 1.7-1.9 in standard length. Upper and lower accessory caudal rays not spinous. Posterior margin of preopercle smooth. Both jaws with uniserial teeth. Pale tan to pale yellowish with a broad black bar across posterior part of body, about 8 scales wide; Anterior part of dorsal fin without black blotch. caudal peduncle and fin yellow; pectoral fins yellow.
habitats Found in clear water, inner to outer reef crests in rich coral habitat at depth of 2 to 12m. Common in passages, frequently associated with Acropora, Stylophora, or Pocillopora coral heads or a single head of Pocillopora eydouxi
Distribution Distributed in the Indo-Pacific from East Africa to the Hawaiian, Marquesan, and Pitcairn Islands, north to the Ryukyu and Bonin Islands, south to Lord Howe Island and Rapa; throughout Micronesia. It is found in southern Taiwanese waters, and Lanyu, south 
Utility Aquarium fishes.