''Hypsibarbus annamensis'' is a species of

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or h ...

in the genus ''

Hypsibarbus ''Hypsibarbus'' is a genus of cyprinid fish that is found in freshwater in Mainland Southeast Asia, including the Thai-Malay Peninsula. Species * '' Hypsibarbus antiquus'' Roberts & Jumnongthai, 1999 – prehistoric (fossil) * '' Hypsibarbus ...

''. It was described in 1936 from specimens taken from the Huong River in central Vietnam, a river which enters the

South China Sea The South China Sea is a marginal sea of the Western Pacific Ocean. It is bounded in the north by the shores of South China (hence the name), in the west by the Indochinese Peninsula, in the east by the islands of Taiwan and northwestern Phi ...

Huế Huế () is the capital of Thừa Thiên Huế province in central Vietnam and was the capital of Đàng Trong from 1738 to 1775 and of Vietnam during the Nguyễn dynasty from 1802 to 1945. The city served as the old Imperial City and admi ...

. There have been no records since and the IUCN classify the fish as Data Deficient as more information is required to ensure the validity of the species, other speciemsn collected since the

type specimen In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to anchor or centralizes th ...

have proved to have been misidentifications.

Footnotes

* Annamensis Fish described in 1936 {{Cyprininae-stub