DistributionRead full entry
Range DescriptionRecorded from the the Pearl River drainage in the West River tributaries, and the North River (Bei Jiang) tributaries, and also from the Xiang Jiang (atributaryof theYangtzeRiver). Presence in other parts of theYangtzeis not known.
It is considered that the historical distribution has declined in recent years due to the impact of dams, over-fishing, and pollution, and recent surveys in Guangxi, Guangdong and otherprovinceshas not recorded the species (X.-Y. Chen pers. comm. 2011).