Scientific Name
Caracanthus unipinna  
Caracanthus unipinna單鰭頰棘鮋
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Gray, 1831) Depth 0 - 50M
Chinese 單鰭頰棘鮋 Poisonous Fish Yes 
Family_Chinese 頰棘鮋科 Economic Fish No 
Family F305 Caracanthidae Edible Fish No  Chinese In Mainland China 橢圓頭棘鮋 
Max Length 5 cm  Aquarium Fish No  Common Name 虎魚 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan LanI Is. 
Habitats Coral、Coastal  Holotype Locality Pacific Ocean 
Synonyms Caracanthus unipinnis, Caracanthus unipinnus, Caracanthus zeylonicus, Centropus staurophorus, Micropus longipinnis, Micropus unipinna   
Reference 臺灣魚類誌(沈等, 1993);Fishbase(2006);Fishes of Japan(Nakabo, 2002)  Gray, J. E. 1831 Mizuno, S. etc. 1980 Shoichi Mizuno etc. 1980 沈世傑 編 Shih-Chieh Shen ed. 1993 Nakabo T. 2002 Nakabo T. 2002 
Specimen List ASIZP0074783.  
Common Name Pigmy croucher; Penny velvetfish; Pygmy coral croucher; Coral croucher 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal fin with XII-XIII spines and 12-13 soft rays; Anal fin with II spines and 11-12 soft rays: 11-12. Uniformly dark species that has smaller, but longer tubercles than C. maculatus and lacks a notch in the dorsal fin.
habitats Found among branches of Stylophora mordax and certain Acropora corals. It never ventures outside the confines of the coral head where it swims between the branches foraging for other coral-dwelling types. 
Distribution Indo-Pacific: East Africa to the Tuamoto Islands, north to southern Japan and the Ogasawara Islands, south to the Great Barrier Reef. 
Utility Not commercial food species.