Scientific Name	Chaetodon ephippium   Pronounce			by: Lab of Fish Ecol. and Evo., BRCAS
Author	Cuvier, 1831	Depth	0 - 30M
Chinese	鞍斑蝴蝶魚	Poisonous Fish	No
Family_Chinese	蝴蝶魚科	Economic Fish	No
Family	F393　Chaetodontidae	Edible Fish	No	Chinese In Mainland China	鞭蝴蝶魚
Max Length	25 cm	Aquarium Fish	Yes	Common Name	月光蝶、蝶仔(臺東)、紅司公(澎湖)、米統仔(澎湖)
Distribution in World	India Ocean to Pacific Ocean	Distribution in Taiwan	East、West、South、North East、PonFu、ShaoLiuChew、LanI Is.、Greeb IS.、Tung Sa IS.
Habitats	Coral、Coastal、Lagoon	Holotype Locality	Moluccas and Tahiti
Synonyms	Chaetodon garnoti, Chaetodon mulsanti, Chaetodon principalis
Reference	臺灣魚類誌(沈等, 1993)  Cuvier, G. etc. 1831 沈世傑 編 Shih-Chieh Shen ed. 1993
Specimen List	ASIZP0054125. ASIZP0055265. ASIZP0057393. ASIZP0071542. FRIP00210. FRIP21355. NMMBP02114. NMMBP06351. NMNSF00100. NTUM00534. NTUM00535. NTUM00536. NTUM00537. NTUM00538. NTUM00539. NTUM00540. NTUM00541. NTUM00704. NTUM01416. NTUM04818. NTUM04820. NTUM04821. NTUM04827. NTUM08011.
Common Name	Saddle-back butterflyfish; Saddleback butterflyfish; Saddled butterflyfish; Saddle butterflyfish; Saddled coralfish; Blackblotch butterflyfish
Redlist Status	Not in IUCN Redlist
Characteristic	Body oval, deep, strongly compressed. Head length about 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 to XIV spines, no notch between spinous and soft dorsal fin; and 21 to 24 soft rays; anal fin with III spines and 20 to 22 soft rays; pectoral fins transparent with 15 or 16 soft rays; pelvic fins with I stout spine and 5 branched rays; caudal fin rounded. Overall yellowish grey with a large black spot bordered below by a broad white band on the back, and wavy blue lines on the lower sides; a short narrow black bar through eye. Adults have a filament extending posteriorly from the upper part of the soft portion of the dorsal fin.
habitats	Occur in lagoons and seaward reefs to a depth of 30 m, prefers coral-rich and clear water areas. Encountered singly, in pairs or small groups (adults often in pairs; juveniles solitary and inshore). Feed on filamentous algae, small invertebrates, coral po
Distribution	Commonly distributed in tropical and subtropical coastal waters of Indo-Pacific from Cocos-Keeling Islands to the Hawaiian, Marquesan and Tuamoto Islands, north to southern Japan, south to Rowley Shoals and New South Wales, Australia. Widely around coral
Utility	Marine aquarium fish.