Scientific Name
Heniochus chrysostomus  
Heniochus chrysostomus三帶立旗鯛
by: Lab of Fish Ecol. and Evo., BRCAS
Author Cuvier, 1831 Depth 2 - 20M
Chinese 三帶立旗鯛 Poisonous Fish No 
Family_Chinese 蝴蝶魚科 Economic Fish No 
Family F393 Chaetodontidae Edible Fish No  Chinese In Mainland China 金口馬夫魚 
Max Length 18 cm  Aquarium Fish Yes  Common Name 南洋關刀、關刀(臺東) 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan East、South、PonFu、ShaoLiuChew、LanI Is.、Greeb IS.、Tung Sa IS.、Nan Sa IS. 
Habitats Coral、Coastal、Lagoon  Holotype Locality Tahidi 
Synonyms Chaetodon teatae, Heniochus chrysostomas, Heniochus drepanoides, Heniochus melanistion, Heniochus permutatus   
Reference 臺灣魚類誌(沈等, 1993)  Cuvier, G. etc. 1831 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0054077. ASIZP0060481. ASIZP0065807. ASIZP0800985. ASIZP0910985. FRIP21346. FRIP21888. NMMSTP00071. NTUM00200. NTUM00201. NTUM00202. NTUM00203. NTUM01438. RUSI35714.  
Barcode2008-03-24,Kui-Ching Hsu,CO1,100%
Common Name Pennant bannerfish; Threeband pennant; Threeband pennantfish; Horned bannerfish; Horned coralfish 
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 XI or XII spines, fourth dorsal spine prolonged, the membrane broadly expanded; and 21 or 22 soft rays; anal fin with III spines and 17 or 18 soft rays; pectoral fins transparent with 16 soft rays; pelvic fins with I stout spine and 5 branched rays; caudal fin rounded to slightly emarginate. Body white with three oblique broad dark brown bands, the first running from the top of the head through the eye to the abdomen, the second from the fourth dorsal spine to the posterior of the anal fin, and the third on the back and the adjacent dorsal fin; snout tip yellow. Juveniles have a longer, narrower "pennant" than adults as well as a double ocellus in the black portion of the anal fin.
habitats Common in coral-rich areas of subtidal reef flats and lagoon and seaward reefs at depths of 2 to 20 m. Juveniles solitary and usually found in estuaries and lagoons; adults usually in pairs. Feeds mainly on coral polyps. 
Distribution Widely distributed in Indo-Pacific from Western India to Pitcairn Islands, north to southern Japan, south to Rowley Shoals, southern Queensland, and New Caledonia; throughout Micronesia. It is found in eastern and southern Taiwanese waters. 
Utility Marine aquarium fish.