Scientific Name
Siganus unimaculatus  
Siganus unimaculatus單斑臭肚魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Evermann & Seale, 1907) Depth 1 - 5M
Chinese 單斑臭肚魚 Poisonous Fish Yes 
Family_Chinese 臭肚魚科 Economic Fish Yes 
Family F467 Siganidae Edible Fish No  Chinese In Mainland China 單斑籃子魚 
Max Length 24 cm  Aquarium Fish Yes  Common Name 臭肚、象魚 
Distribution in World Australia   Distribution in Taiwan Nan Sa IS. 
Habitats Coral、Coastal  Holotype Locality Bacon, Sorsogon, east coast of s. Luzon I., Philippines 
Synonyms Lo unimaculatus, Lo vulpinus, Siganus vulpinus   
Reference 臺灣魚類誌(沈等, 1993);The Live Marine Resources of the Western Central Pacific, Vol.6(FAO, 2001)  Evermann, B. W. etc. 1907 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List
Common Name Blotched foxface 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal-fin rays XIII,10 ; anal-fin rays VII,9; pectoral-fin rays17. Color the same as in S. vulpinus except for the blackish spot posteriorly on the upper side of the body. Caudal peduncle only slightly incised. Spines stout, pungent, and venomous. Preopercular angle 109°-119°. Variable cheek squamation; usually covered with scales, 7-10 rows deep below center of orbit, occasionally a few scattered scales present below eye; a triangular area from lower edge of orbit to angle of mouth always fully scaled. Fully scaled midline of thorax.
habitats Small juveniles occur in schools of up to a few hundred fish, larger juveniles and adults occur in pairs. Feed on seaweeds. 
Distribution Western Pacific: Ryukyu Islands, the Philippines, and the North West Shelf, Western Australia.  
Utility Commercial fisheries and aquarium species.