IUCN threat status:

Endangered (EN)


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Range Description

Only recorded from lakes in Yunnan in southern China, including Yilong, Qilu, Xingyun, Fuzian, Yangzong, Diangchi, Erh Hai, Chenghai, Jianhu, and Cibi lakes, and Wenbi reservoir. In 1998-99, the lakes were surveyed and the species was only found in Fuzian Lake (121 km2), Jianhu (30km2) Lake, and Erh Hai Lake (250km2), and could not be found in other lakes (W. Zhou and X.-Y. Chen pers. comm. 2011). It may be present in other reservoirs, but surveys are required to confirm this.

The area of occupancy (from the three lakes surveyed in 1998-99) is less than 500 km2.


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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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