Scientific Name
Chaetodon citrinellus  
Chaetodon citrinellus胡麻斑蝴蝶魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author Cuvier, 1831 Depth 1 - 36M
Chinese 胡麻斑蝴蝶魚 Poisonous Fish No 
Family_Chinese 蝴蝶魚科 Economic Fish No 
Family F393 Chaetodontidae Edible Fish No  Chinese In Mainland China 密點蝴蝶魚 
Max Length 13 cm  Aquarium Fish Yes  Common Name 胡麻蝶、蝶仔(臺東)、紅司公(澎湖) 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan East、South、North、North East、PonFu、ShaoLiuChew、LanI Is.、Greeb IS.、Tung Sa IS.、Nan Sa IS. 
Habitats Coral、Coastal、Lagoon  Holotype Locality Guam, Mariana Is., w. Pacific 
Synonyms Chaetodon citrinellus semipunctatus, Chaetodon nigripes   
Reference 臺灣魚類誌(沈等, 1993)  Cuvier, G. etc. 1831 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0054081. ASIZP0057023. ASIZP0057394. ASIZP0057772. ASIZP0059574. ASIZP0060025. ASIZP0060385. ASIZP0070738. ASIZP0071224. ASIZP0916790. ASIZP0916791. FRIP00208. NMMBP00935. NMMBP05147. NMMBP05520. NMMBP05700. NMMBP06074. NMMBP06611. NMMBP06611B. NMMBP08722. NMMSTP00052. NMNSF00660. NTMP0505. NTOUP200801-064. NTUM00154. NTUM00155. NTUM00156. NTUM00191. NTUM00192. NTUM00193. NTUM00194. NTUM00195. NTUM00197. NTUM00198. NTUM00199. NTUM00730. NTUM01379. ...List all 40 records... 
Common Name Speckled butterflyfish; Citron butterfly; Citron butterflyfish; Citron coralfish; Lemon butterflyfish 
Redlist Status NL 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 XIV spines, no notch between spinous and soft dorsal fin; and 20 to 22 soft rays; anal fin with III spines and 16 or 17 soft rays; pectoral fins transparent with 13 to 14 soft rays; pelvic fins with I stout spine and 5 branched rays; caudal fin rounded. Pale yellow with numerous small dark spots. Black bar over head and black margin on anal fin.
habitats Common in shallow exposed reef flats, lagoons, and seaward reefs; in relatively open areas with scattered corals and occasionally at depth of 36 m. Usually in pairs. Juveniles often in small aggregations and commonly mix with other similar sized juveniles 
Distribution Widely distributed in Indo-West Pacific from East Africa to the Hawaiian, Marquesan and Tuamoto islands, north to southern Japan and the Ogasawara Islands, south to New South Wales (Australia) and Lord Howe Island. It is common in waters around Taiwan. 
Utility Marine aquarium fish.