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Volume 38 Issue 5
Sep.  2017
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Article Navigation >  Zoological Research  > 2017  >  38(5): 291-299

Xiao-Yong Chen, William J. Poly, David Catania, Wan-Sheng Jiang. A new species of sisorid catfish of the genus Exostoma from the Salween drainage, Yunnan, China. Zoological Research, 2017, 38(5): 291-299. doi: 10.24272/j.issn.2095-8137.2017.065
Citation: Xiao-Yong Chen, William J. Poly, David Catania, Wan-Sheng Jiang. A new species of sisorid catfish of the genus Exostoma from the Salween drainage, Yunnan, China. Zoological Research, 2017, 38(5): 291-299. doi: 10.24272/j.issn.2095-8137.2017.065
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A new species of sisorid catfish of the genus Exostoma from the Salween drainage, Yunnan, China

doi: 10.24272/j.issn.2095-8137.2017.065

  • 1 Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin Nay Pyi Taw 05282, Myanmar;

  • 2 Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming Yunnan 650223, China;

  • 3 Department of Ichthyology, California Academy of Sciences, 55 Music Concourse Drive, San Francisco CA 94118, USA

Funds:  This work was funded by the Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences (Y4ZK111B01) to Xiao-Yong Chen, and the NSF project "Gaoligong Shan Biological Survey Project" (DEB-0103795) to J. Slowinski and P. Fritsch, California Academy of Sciences and National Geographic Society grant (7340-02) to P. Fritsch and N. Jablonski, and National Natural Science Foundation of China (31372182) to WS Jiang  
More Information
  • Corresponding author: Xiao-Yong Chen, chenxy@mail.kiz.ac.cn
  • Received Date: 2017-08-10
  • Rev Recd Date: 2017-09-10
  • Publish Date: 2017-09-18
  • A new species of the sisorid catfish genus Exostoma Blyth, 1860 was collected from two hill-stream tributaries of the Nujiang (Salween River) drainage in Gaoligong Mountain, south-western Yunnan Province, China from 2003 to 2006 and from two tributaries of the Salween River in Cangyuan County, Lingcang Prefecture, Yunnan Province, China (in 2007) and in Yongde County, Lingcang Prefecture, Yunnan Province, China (in 2015). Exostoma gaoligongense sp. nov . is the 10th species of the genus and is most similar to E. vinciguerrae in morphology but can be distinguished by pelvic fin reaching anus vs. not reaching; maxillary barbels just reaching or slightly surpassing pectoral-fin origin vs. surpassing pectoral-fin origin or even reaching posterior end of gill membrane; abdominal vertebrae 23-25 vs. 25-27; length of dorsal fin/dorsal to adipose distance 90.3%-287.0% vs. 59.2-85.7. A key to Exostoma spp. is provided.
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  • [1] Blyth E. 1860. Report on some fishes received chiefly from the Sitang River and its tributary streams, Tenasserim Provinces. Journal of the Asiatic Society of Bengal, 29(2):138-174.
    [2] Chen XY. 2013. Checklist of fishes of Yunnan. Zoological Research, 34(4):281-343. (in Chinese)
    [3] Chu XL. 1979. Systematics and evolutionary pedigree of the glyptosternoid fishes (family Sisoridae). Acta Zootaxonomica Sinica, 4(1):72-82. (in Chinese)
    [4] Chu XL, Mo TP, Kuang PR. 1990. Siluriformes:sisoridae. In:Chu XL, Chen YR. The Fishes of Yunnan, China. Part Ⅱ. Beijing:Science Press, 170-225. (in Chinese)
    [5] Chu XL, Mo TP. 1999. Sisoridae. In:Chu XL, Zheng BS, Dai DY. Fauna Sinica Osteichthyes Siluriformes. Beijing, China:Science Press, 114-181. (in Chinese)
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    [12] Lalramliana, Lalronunga S, Lalnuntluanga, Ng HH. 2015. Exostoma sawmteai, a new sisorid catfish from northeast India (Teleostei:Sisoridae). Ichthyological Exploration of Freshwaters, 26(1):59-64.
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    [14] McClelland J. 1842. On the fresh-water fishes collected by William Griffith, Esq., F. L. S. Madras Medical Service, during his travels under the orders of the Supreme Government of India, from 1835 to 1842. Journal of Nature History Calcutta, 2(8):560-589.
    [15] Ng HH, Kottelat M. 1999. Oreoglanis hypsiurus, a new species of glyptosternine catfish (Teleostei:Sisoridae) from Laos. Ichthyological Exploration of Freshwaters, 10(4):375-380.
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A new species of sisorid catfish of the genus Exostoma from the Salween drainage, Yunnan, China

doi: 10.24272/j.issn.2095-8137.2017.065
  • 1 Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin Nay Pyi Taw 05282, Myanmar;
  • 2 Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming Yunnan 650223, China;
  • 3 Department of Ichthyology, California Academy of Sciences, 55 Music Concourse Drive, San Francisco CA 94118, USA
Funds:  This work was funded by the Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences (Y4ZK111B01) to Xiao-Yong Chen, and the NSF project "Gaoligong Shan Biological Survey Project" (DEB-0103795) to J. Slowinski and P. Fritsch, California Academy of Sciences and National Geographic Society grant (7340-02) to P. Fritsch and N. Jablonski, and National Natural Science Foundation of China (31372182) to WS Jiang  
    Corresponding author: Xiao-Yong Chen, chenxy@mail.kiz.ac.cn
  • Received Date: 2017-08-10
  • Rev Recd Date: 2017-09-10
  • Publish Date: 2017-09-18

Abstract: A new species of the sisorid catfish genus Exostoma Blyth, 1860 was collected from two hill-stream tributaries of the Nujiang (Salween River) drainage in Gaoligong Mountain, south-western Yunnan Province, China from 2003 to 2006 and from two tributaries of the Salween River in Cangyuan County, Lingcang Prefecture, Yunnan Province, China (in 2007) and in Yongde County, Lingcang Prefecture, Yunnan Province, China (in 2015). Exostoma gaoligongense sp. nov . is the 10th species of the genus and is most similar to E. vinciguerrae in morphology but can be distinguished by pelvic fin reaching anus vs. not reaching; maxillary barbels just reaching or slightly surpassing pectoral-fin origin vs. surpassing pectoral-fin origin or even reaching posterior end of gill membrane; abdominal vertebrae 23-25 vs. 25-27; length of dorsal fin/dorsal to adipose distance 90.3%-287.0% vs. 59.2-85.7. A key to Exostoma spp. is provided.

Xiao-Yong Chen, William J. Poly, David Catania, Wan-Sheng Jiang. A new species of sisorid catfish of the genus Exostoma from the Salween drainage, Yunnan, China. Zoological Research, 2017, 38(5): 291-299. doi: 10.24272/j.issn.2095-8137.2017.065
Citation: Xiao-Yong Chen, William J. Poly, David Catania, Wan-Sheng Jiang. A new species of sisorid catfish of the genus Exostoma from the Salween drainage, Yunnan, China. Zoological Research, 2017, 38(5): 291-299. doi: 10.24272/j.issn.2095-8137.2017.065
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