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Kingdom Animalia  
 Phylum Chordata  
 Class Actinopterygii  
 Order Perciformes  
 Family Pomacentridae  
 Genus Stegastes  
  Stegastes nigricans  (Lacepède, 1802) 
Provider: Kwang-Tsao Shao 
hierarchy tree   download xml   download txt   Chinese Page   
Synonyms:Abudefduf tamaiiAbudefduf tsamaiiEupomacentrus nigricansHolocentrus nigricansParapomacentrus nigricansPomacentrus nigricansPomacentrus scolopseusPomacentrus scolopsisPomacentrus subnigerPomacentrus taeniopsSegastes nigricans details
Citation: 臺灣魚類誌(沈等, 1993);Fishbase(2005);Fishes of Japan(Nakabo, 2002)
Character: Dorsal rays XII, 14-17; Anal rays II, 12-14; pectoral rays 18-20; lateral-line scales 18-20; body depth 1.9-2.0 times in standard length. 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. Adults generally brown; dorsal part of head and nape darker, grading to tan on lower part of head and breast; scales with darker brown margins; lips whitish; suborbital mostly blue; preopercle and opercle scales with blue centers; a well-defined dark brown or blackish spot at base of posteriormost dorsal rays. 
Habitat: Inhabits reef flats and lagoon reefs. Frequently occurs in colonies associated with live or dead branching staghorn coral. Feeds on algae, gastropods, sponges, and copepods. Territorial, maintains and 'weeds' filamentous algae patches growing on dead cora 
Distribution: Distributed in the Indo-Pacific from Red Sea and East Africa to the Line, Marquesan, and Tuamoto islands, north to the Ryukyu and Bonin islands, south to New Caledonia and Tonga; throughout Micronesia. Excluding the Hawaiian Islands. It is found in southe 
Utility: Popular aquarium fishes. 
Name Code: 382405
Suggested Link    The Fish Database of Taiwan  FishBase  Discover Life  World Register of Marine Species (WoRMS) 
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