''Nipponocypris'' is a genus 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 ...

fish containing three extant species, one

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the n ...

, one to

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...

while the third occurs in Japan, Korea and China. A fourth, extinct species is known from Middle

Pleistocene The Pleistocene ( , often referred to as the ''Ice age'') is the geological Epoch (geology), epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fina ...

-aged freshwater strata from the Kusu Basin in Japan.Miyata, Shinya, Yoshitaka Yabumoto, and Hiromichi Hirano. "Nipponocypris takayamai, a new species of cyprinid fish from the Nogami Formation (Middle Pleistocene) in the southern part of the Kusu Basin, Oita, Japan." Paleontological Research 22.3 (2018): 218-239.

Species

* ''

Nipponocypris koreanus ''Nipponocypris koreanus'' is a species of cyprinid in the genus ''Nipponocypris,'' a Cyprinid fish. It inhabits South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of ...

'' ( I. S. Kim, M. K. Oh & K. Hosoya, 2005) * ''

Nipponocypris sieboldii ''Nipponocypris sieboldii'' is a species of cyprinid in the genus ''Nipponocypris'' that is endemic to Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacif ...

'' (

Temminck Coenraad Jacob Temminck (; 31 March 1778 – 30 January 1858) was a Dutch aristocrat, zoologist and museum director. Biography Coenraad Jacob Temminck was born on 31 March 1778 in Amsterdam in the Dutch Republic. From his father, Jacob Temminc ...

& Schlegel, 1846) * ''

Nipponocypris temminckii ''Nipponocypris temminckii'' (common name: the Dark chub) is a species of cyprinid in the genus ''Nipponocypris''. It inhabits China, Japan and Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been ...

'' (

& Schlegel, 1846)

References

* Cyprinid fish of Asia Cyprinidae genera {{Cyprinidae-stub