Kingdom Animalia  
 Phylum Chordata  
 Class Actinopterygii  
 Order Perciformes  
 Family Acanthuridae  
 Genus Acanthurus  
  Acanthurus xanthopterus  Valenciennes, 1835 
Provider: Chen, Jeng-Ping 
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Synonyms:Acanthurus crestonisAcanthurus fuliginosusAcanthurus grammoptilusAcanthurus rasiAcanthurus reticulatusAcanthurus umbraHepatus aquilinusHepatus crestonisHepatus guntheriHepatus xanthopterusRhombotides matoides details
Citation: 臺灣魚類誌(沈等, 1993);Fishes of the Great Barrier Reef and Coral Sea(Randall et al.,1990);The Live Marine Resources of the Western Central Pacific, Vol.6(FAO, 2001)
Character: Dorsal-fin rays IX, 25-27 ; anal-fin rays III, 23-25 ; pectoral-fin rays 16-17. Body purplish gray, In front of eye with a region of dull yellow, a lesser extension posterior to lower part of eye; outer 1/3 of pectoral fin yellow, extreme distal part hyaline; dorsal and anal fins yellowish grey basally, dull yellow distally; caudal fin base whitish; caudal fin purplish. 
Habitat: Occurs in a variety of habitats; the juveniles mainly in protected inshore waters where it is turbid, the adults in lagoons and bays but also in outer reef areas. This schooling species feeds on diatoms, detritus film of sand, filamentous algae, hydroids, 
Distribution: Indo-Pacific: East Africa to the Hawaiian Islands and French Polynesia, north to southern Japan, south to the Great Barrier Reef and New Caledonia. Eastern Pacific: lower Gulf of California and Clipperton Island to Panama and the Galapagos Islands. Taiwan 
Utility: Minor commercial fishery and commercial aquarium species. 
Name Code: 381276
  IUCN Red List:LC      Marine     
Suggested Link    The Fish Database of Taiwan  FishBase  Discover Life  World Register of Marine Species (WoRMS) 
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