''Opsariichthys dienbienensis'' is a species of

cyprinid Cyprinidae is a family of freshwater fish commonly called the carp or minnow family. It includes the carps, the true minnows, and relatives like the barbs and barbels. Cyprinidae is the largest and most diverse fish family and the largest ver ...

in the genus ''

Opsariichthys ''Opsariichthys'' is a genus of cyprinid fish found in freshwater habitats in Mainland China (including Hainan), Taiwan, Japan, Korea, and Vietnam. There are currently 12 described species in the genus. Species There are 12 species, some with u ...

''. It inhabits northern

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

and has a maximum male length of and maximum female length of .

References

Cyprinid fish of Asia Fish of Vietnam Taxa named by Nguyễn Văn Hảo Taxa named by Nguyễn Hữu Dực Fish described in 2000 {{Cyprinidae-stub