Scientific Name
Oryzias sinensis
Oryzias sinensis中華青鱂
by: Lab of Fish Ecol. and Evo., BRCAS
Author Chen, Uwa & Chu, 1989 Depth 0 - 1M
Chinese 中華青鱂 Poisonous Fish No 
Family_Chinese 怪頜鱂科 Economic Fish No 
Family F252 Adrianichthyidae Edible Fish No  Chinese In Mainland China 青鱂 
Max Length 4 cm  Aquarium Fish No  Common Name 青鱂、青鱂魚、稻田魚、魚目娘、米鱂、彈魚、三界娘仔 
Distribution in World Taiwan、China、East Asia Continent   Distribution in Taiwan North、Middle、South 
Habitats Fresh water  Holotype Locality Kunming, Yunnan Province, China 
Synonyms Aplocheilus latipes, Oryzias latipes latipes, Poecilia latipes   
Reference 臺灣魚類誌(沈等, 1993);福建魚類誌(朱等, 1985);The Live Marine Resources of the Western Central Pacific, Vol.4(FAO,1999)  Yamamoto Toki-o 1953 Yamamoto Toki-o 1955 Yamamoto Toki-o 1958 Ikeda, A. 1959 Yamamoto, Toki-o 1959 Yamamoto Toki-o 1959 Briggs, John C. etc. 1959 Shuichi Hirao, Ryô Kikuchi etc. 1969 Lindsey, C.C. etc. 1971 C. C. Lindsey etc. 1971 朱元鼎 編 1985 Sakaizumi, M. etc. 1987 Uwa, H. etc. 1987 沈世傑 編 Shih-Chieh Shen ed. 1993 Ueda, T etc. 1999 Carpenter, K. E. etc. 1999 
Specimen List USNM00356076.  
Common Name Ricefish; Rice Fish; Tooth- carp; Japanese rice fish; Japanese medaka 
Redlist Status NL Not in IUCN Redlist     NT 2012 Redlist of Fresh Water Fishes::NT
Characteristic Small-sized, laterally compressed beloniform fishes. Eyes large. Mouth small, not protrusible. Teeth small on premaxilla and dentary. Single dorsal fin set posteriorly, with 6 soft rays; anal fin with 15 to 19 soft rays; caudal fin truncate and asymmetrical, with 5 upper and 6 lower branched rays; pectoral fins falcate, with 9 or 10 soft rays; pelvic fins with 6 soft rays. Scales moderate to minute, cycloid, 30 to 33 in lateral series; no lateral line; predorsal scales 26 to 28. Dorsal- and anal-fin rays of male longer and thicker than those of female and often with bony contact organs on distal segments of anal-fin rays. Body nearly translucent in life, a black line from dorsal surface of head to dorsal-fin origin, a midlateral black line from head to base of caudal fin, a black line along anal-fin base, a black submarginal line on dorsal and on ventral portion of caudal fin, body may be covered with scattered, tiny melanophores concentrated at pectoral-fin base; males may be more darkly coloured than females.
habitats Prefers slow-moving streams, also found in brackish water, estuaries, and mangroves. Schooling fishes. Surface-feeding, omnivorous, but reported to feed principally on copepods, insects, and mollusc and crustacean larvae. Oviparous, females may carry a cl 
Distribution Taiwan, Japan, Korea, China and Viet Nam. Reported from the middle Nam Theun, Mekong, Irrawaddy, Salween, Red River and Nanpangjiang in basins. Introduced in Iran and Turkmenistan. It is found in northern and central Taiwan. 
Utility Used in experimental research. Is easy to maintain in the aquarium. A fluorescent ornamental variety (genetically modified fish), a product of fluorescent protein extracted from jellyfish and attaching to DNA in embryonic fish of this is now being sold in