Range
Once widely distributed throughout the eastern Yangtze River system in China, this species is today mostly restricted to a 433 square kilometre reserve in the Anhui province of the lower Yangtze (2). Although reintroduction efforts in three other provinces in eastern China are currently underway (5).
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View a distribution map for this species at UNEP World Conservation Monitoring Centre.
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Habitat
Originally found in slow-moving riverine and swampy areas, low-elevation agricultural communes and tree farm communes up to 100 metres above sea level (6). Now the only remaining wild populations exist in agricultural pools within reserves (5).