Scientific Name
Heniochus singularius  
Heniochus singularius單棘立旗鯛
by: Lab of Fish Ecol. and Evo., BRCAS
Author Smith & Radcliffe, 1911 Depth 1 - 25M
Chinese 單棘立旗鯛 Poisonous Fish No 
Family_Chinese 蝴蝶魚科 Economic Fish No 
Family F393 Chaetodontidae Edible Fish No  Chinese In Mainland China 四帶馬夫魚 
Max Length 25 cm  Aquarium Fish Yes  Common Name 花關刀、關刀(臺東)、舉旗仔(澎湖)、花關刀(澎湖) 
Distribution in World Middle West Pacific Ocean   Distribution in Taiwan East、South、North、ShaoLiuChew、LanI Is.、Greeb IS.、Tung Sa IS. 
Habitats Coral、Coastal、Lagoon  Holotype Locality Philippines 
Synonyms Heniochus singularis   
Reference 臺灣魚類誌(沈等, 1993)  Smith, H. M. etc. 1911 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0057397. ASIZP0059558. ASIZP0066338. ASIZP0066540. ASIZP0070712. ASIZP0070767. ASIZP0078373. ASIZP0800984. ASIZP0801777. ASIZP0807144. ASIZP0910984. ASIZP0911777. ASIZP0917144. FRIP20173. FRIP20189. FRIP20203. FRIP21881. NMMBP04570. NMMBP08591. NTUM00668. NTUM00669. NTUM00741. NTUM01424. NTUM04811. NTUM06852. NTUM08034.  
Barcode2008-03-25,Kui-Ching Hsu,CO1,100% 2008-08-28,柯慧玲,CO1,100% 2016-01-26,Yu-Ming,CO1,100%
Common Name Singular bannerfish 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body oval, deep, strongly compressed. Head length roughly equal to head height; a pair of bony knobs is on the forehead; preopercle smooth, without prominent spines. Snout short. Small protractile mouth with brush-like teeth in the jaws. Dorsal fin with XI or XII spines, fouth dorsal spine prolonged as a tapering white filament; and 25 to 27 soft rays; anal fin with III spines and 17 or 18 soft rays; pectoral fins transparent with 16 or 17 soft rays; pelvic fins with I stout spine and 5 branched rays; caudal fin rounded to slightly emarginate. Body white with three broad black bandds, the first through eye reaching ventral area of head, the second across front of body and continuous with black pelvic fins, and the oblique third from middle of back to rear of anal fin; dark bars on body more diffuse due to pale scale centres, also the broad white zone between the two dark bands has small blackish spots, one in each scale centre; dorsal and caudal fins yellow; the white ring around the mouth.
habitats An uncommon species that inhabits deep lagoon and seaward reefs at depths of 3 to 25 m. Adults solitary or in small groups and prefer areas with rich coral growth and high vertical relief. Juveniles solitary and secretive on inshore reefs. Largest of the  
Distribution Distributed from the Maldive Islands eastward throughout the Indo-Malayan region and tropical western Pacific Ocean to Samoa, northward to southern Japan. It is found in eastern and southern Taiwanese waters. 
Utility Marine aquarium fish.