Scientific Name
Chaetodon auriga  
Chaetodon auriga揚旛蝴蝶魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author Forsskål, 1775 Depth 1 - 30M
Chinese 揚旛蝴蝶魚 Poisonous Fish No 
Family_Chinese 蝴蝶魚科 Economic Fish No 
Family F393 Chaetodontidae Edible Fish No  Chinese In Mainland China 絲蝴蝶魚 
Max Length 23 cm  Aquarium Fish Yes  Common Name 人字蝶、白刺蝶、碟仔(臺東)、白虱鬢(澎湖)、金鐘(澎湖)、米統仔(澎湖) 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan East、West、South、North、North East、PonFu、ShaoLiuChew、LanI Is.、Greeb IS.、Tung Sa IS.、Nan Sa IS. 
Habitats Coral、Coastal  Holotype Locality Djedda, Red Sea 
Synonyms Anisochaetodon auriga, Chaetodon auriga setifier, Chaetodon lunaris, Chaetodon satifer, Chaetodon sebanus, Chaetodon setifer, Linophora auriga, Pomacanthus filamentosus, Pomacentrus setifer, Sarothrodus auriga, Tetragonoptrus auriga, Tetragonoptrus setifer   
Reference 臺灣魚類誌(沈等, 1993)  Forsskål, P. 1775 Randall, J. E. etc. 1981 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0054076. ASIZP0054350. ASIZP0057034. ASIZP0057391. ASIZP0057776. ASIZP0058141. ASIZP0059572. ASIZP0059757. ASIZP0067050. ASIZP0069614. ASIZP0071229. ASIZP0700111. ASIZP0802301. ASIZP0802531. ASIZP0802628. ASIZP0912301. ASIZP0912531. ASIZP0916799. BPBMI23311. FRIP00221. FRIP21108. FRIP22113. NMMBP00609. NMMBP00775. NMMBP00836. NMMBP00885. NMMBP00887. NMMBP00888. NMMBP01709. NMMBP01714. NMMBP02351. NMMBP04177. NMMBP04916. NMMBP04917. NMMBP06636. NMMBP08496. NMMBP08668. NTUM00012Paratype. ...List all 69 records... 
Common Name Threadfin coralfish; Threadfin butterfly; Whip butterflyfish; Threadfin butterflyfish; Threadfin; Diagonal butterflyfish; Cross-stripe butterfly 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body oval, deep, strongly compressed. Head length roughly equal to head height; preopercle smooth, without prominent spines. Snout short. Small protractile mouth with brush-like teeth in the jaws. Dorsal fin with XII-XIII spines, no notch between spinous and soft dorsal fin; and 22 to 25 soft rays; anal fin with III spines and 18 to 21 soft rays; pectoral fins transparent with 14 to 15 soft rays; pelvic fins with I stout spine and 5 branched rays; caudal fin rounded. A pattern of `chevron' markings on the sides and a prominent black spot at the posterior edge of the soft portion of the dorsal fin. Adults of this species have a prominent black vertical band running across the eye, and a filament trailing posteriorly from the upper soft portion of the dorsal fin. Juveniles with a black bar over the head that hides the eye and an eye-sized black spot on the soft dorsal fin.
habitats Inhabits a wide variety of habitats at depths of 3 to 20 m. Feed mainly by tearing pieces from polychaetes, sea anemones, coral polyps, and algae; solitary or in pairs. 
Distribution Widely distributed in Indo-Pacific from Red Sea and East Africa to the Hawaiian, Marquesan, and Ducie islands, north to southern Japan, south to Lord Howe and Rapa islands; throughout Micronesia. Widely around coral reefs in Taiwan. 
Utility Marine aquarium fish.