Scientific Name
Stegastes insularis  
Stegastes insularis島嶼高身雀鯛
by: Lab of Fish Ecol. and Evo., BRCAS
Author Allen & Emery, 1985 Depth 1 - 10M
Chinese 島嶼高身雀鯛 Poisonous Fish No 
Family_Chinese 雀鯛科 Economic Fish No 
Family F411 Pomacentridae Edible Fish Yes  Chinese In Mainland China 島嶼眶鋸雀鯛 
Max Length 11 cm  Aquarium Fish Yes  Common Name 厚殼仔 
Distribution in World India Ocean to West Pacific Ocean   Distribution in Taiwan North East、LanI Is. 
Habitats Coral、Coastal  Holotype Locality Christmas Is. 
Synonyms Stegastes sp.   
Reference 臺灣魚類誌(沈等, 1993);Fishbase(2005);Fishes of Japan(Nakabo, 2002)  Allen, G. R. etc. 1985 沈世傑 編 Shih-Chieh Shen ed. 1993 Nakabo T. 2002 Nakabo T. 2002 
Specimen List ASIZP0055838. ASIZP0055839. ASIZP0055843. ASIZP0057052. ASIZP0057076. ASIZP0059196. NMMBP00390. NMMBP00469.  
Common Name Island gregory 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal rays XII, 15-17; Anal rays II, 11-13; pectoral rays 20; lateral-line scales 19-20. Upper and lower accessory caudal rays not spinous. Posterior margin of preopercle serrated, subopercle smooth. Both jaws with uniserial teeth. Upper and lower lobes of caudal fin without filamentous posterior rays. Body pale blue-gray to charcoal in color with dusky gray scale margins, appearing as series of narrow transverse bands; posteriormost part of body, caudal peduncle, caudal fin and posterior part of dorsal fin are bright yellow; suborbital bluish and lavender. An elongate black patch with narrow blue margin between 1st and 4th dorsal spines; pectoral fins translucent with a suffusion of yellow; a small black spot at base of uppermost rays of pectoral fin.
habitats This occasionally schooling species inhabits shallow rock and coral reefs. 
Distribution Distributed in the eastern Indian Ocean: Christmas Island; northwest Pacific: Taiwan and Marcus Island (Minami Tori Shima). It is found in northeastern Taiwanese waters, and Lanyu, southeastern Taiwan. 
Utility No commercial value.