Scientific Name	Heniochus chrysostomus   Pronounce			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.
Barcode	2008-03-24,Kui-Ching Hsu,CO1,100%
Common Name	Pennant bannerfish; Threeband pennant; Threeband pennantfish; Horned bannerfish; Horned coralfish
Redlist Status	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.