Percocypris is a genus of cyprinid freshwater fishes found in large rivers and Fuxian Lake in the highlands of southern China and northern mainland southeast Asia.[ They can reach up to around in standard length and more than in weight.]
Percocypris all are rare and threatened. As of 2013, the Chinese Red List only recognizes one species in this genus (others considered subspecies) and treats it as vulnerable.[ P. tchangi of the Red River has not been confirmed since its original description in 1936][ (however, P. retrodorsalis has been recorded recently and some include it in P. tchangi).][ Primary threats are overfishing and habitat loss, especially from and pollution.]
Taxonomy and species
The currently recognized species historically were all considered as subspecies of P. pingi, a treatment still used by IUCN.[ Genetics and morphological evidence support their validity as separate species and also indicate that there are two currently undescribed species (one from upper Pearl River, another from Salween River), bringing the total to six allospecies.][ The status of P. retrodorsalis remains disputed. It is recognized as a species by Catalog of Fishes,]
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Percocypris pingi (T. L. Tchang, 1930)
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Percocypris regani (T. L. Tchang, 1935)
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Percocypris retrodorsalis Cui & Chu, 1990
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Percocypris tchangi (Pellegrin & Pierre Chevey, 1936)
