Volume 40 Issue 6
Nov.  2019
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Wan-Sheng Jiang, Jie Li, Xiao-Zhong Lei, Zhou-Rui Wen, Yu-Zhang Han, Jun-Xing Yang, Jian-Bo Chang. Sinocyclocheilus sanxiaensis, a new blind fish from the Three Gorges of Yangtze River provides insights into speciation of Chinese cavefish. Zoological Research, 2019, 40(6): 552-557. doi: 10.24272/j.issn.2095-8137.2019.065
Citation: Wan-Sheng Jiang, Jie Li, Xiao-Zhong Lei, Zhou-Rui Wen, Yu-Zhang Han, Jun-Xing Yang, Jian-Bo Chang. Sinocyclocheilus sanxiaensis, a new blind fish from the Three Gorges of Yangtze River provides insights into speciation of Chinese cavefish. Zoological Research, 2019, 40(6): 552-557. doi: 10.24272/j.issn.2095-8137.2019.065

Sinocyclocheilus sanxiaensis, a new blind fish from the Three Gorges of Yangtze River provides insights into speciation of Chinese cavefish

doi: 10.24272/j.issn.2095-8137.2019.065
Funds:  the National Natural Science Foundation of China(31672282);Species Resources Protection Project(Fishery);Agricultural Basic Long-term Observation and Monitoring Project(ZX08S182057)
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  • Corresponding author: Jun-Xing Yang,Jian-Bo Chang
  • Received Date: 2019-07-12
  • Accepted Date: 2019-09-24
  • Publish Date: 2019-10-14
  • A blind fish of Sinocyclocheilus (Cypriniformes: Cyprinidae)was caught in open water in the Three Gorges (Sanxia)reservoir, at a depth of 20 m in the mainstream of YangtzeRiver in Zigui County, Hubei Province, China. This fish can beeasily distinguished from all other congeners by externalmorphological characteristics, and is estimated to havediverged from its sister group about 0.55 million years ago(Ma). The geologically well separated locality of this specieshas expanded the distribution of Sinocyclocheilus cavefishfrom around N25° (latitude) to above N30° . Herein, wedescribe this new species as Sinocyclocheilus sanxiaensis sp.nov ., and discuss the possible reasons why the speciesappears, surprisingly, in the Three Gorges reservoir.
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