''Cyprinus barbatus'' 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 ''

Cyprinus ''Cyprinus'' is the genus of typical carps in family Cyprinidae. Most species in the genus are of East Asia origin with only the common carp (''C. carpio'') in Western Asia and Europe; this invasive species has also been introduced to many othe ...

''. It is

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 ...

Lake Erhai Erhai or Er Lake (), is an alpine fault lake in Yunnan province, China. Erhai was also known as Yeyuze () or Kunming Lake () in ancient times. Etymology The character "洱" (er) does not have the same meaning as ear (耳). During the Han to Tan ...

in Dali,

Yunnan Yunnan , () is a landlocked province in the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is Kunming. The province borders the C ...

, China. It is negatively impacted by agricultural and domestic pollution and introduced species. The IUCN considers it as critically endangered and possibly extinct, but records as recent as the 2000s (decade) show that it likely does survive.Wang, Wang, Li, Du, Yang, Lassoie, and Hassan (2013). ''Six decades of changes in vascular hydrophyte and fish species in three plateau lakes in Yunnan, China.'' Biodivers. Conserv. 22: 3197–3221. doi: 10.1007/s10531-013-0579-0

References

Cyprinus Endemic fauna of Yunnan Freshwater fish of China Fish described in 1977 Critically endangered fish {{Cyprininae-stub