Volume 36 Issue 5
Sep.  2015
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Si-Li YAN, Zhi-Yu SUN, Yan-Shu GUO. A new species of Triplophysa Rendahl (Cypriniformes, Nemacheilidae) from Sichuan Province, China. Zoological Research, 2015, 36(5): 299-304. doi: 10.13918/j.issn.2095-8137.2015.5.299
Citation: Si-Li YAN, Zhi-Yu SUN, Yan-Shu GUO. A new species of Triplophysa Rendahl (Cypriniformes, Nemacheilidae) from Sichuan Province, China. Zoological Research, 2015, 36(5): 299-304. doi: 10.13918/j.issn.2095-8137.2015.5.299

A new species of Triplophysa Rendahl (Cypriniformes, Nemacheilidae) from Sichuan Province, China

doi: 10.13918/j.issn.2095-8137.2015.5.299
Funds:  This study was support by the Open Research Fund of Laboratory of Sichuan Academy of Forestry (2015016)
  • Received Date: 2015-05-14
  • Publish Date: 2015-09-18
  • Triplophysa yajiangensis sp. nov. is described from the upper and middle reaches of the Yalong River, Yangtze Basin, Ganzi Prefecture, Sichuan Province, China. This new species can be distinguished from other congeneric species by the following characters: body surface smooth and scaleless; lateral line complete; caudal peduncle compressed and tapered slightly; lower jaw shovel-shaped; head shorter than caudal peduncle; dorsal-fin origin anterior to pelvic-fin origin and closer to tip of snout than to caudal-fin base, last unbranched ray hard; pelvic-fin reaches or exceeds anus; posterior chamber of gas bladder absent; intestine spiral type with 3-5 winding coils.
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  • [1] Chen XY, Cui GH, Yang JX. 2004. A new fish species of genus Triplophysa (Balitoridae) from Nu Jiang, Yunnan, China. Zoological Research , 25(6): 504-509. (in Chinese)
    [2] Ding RH. 1993. Two new species of the Genus Triplophysa from western Sichuan (Cypriniformes: Cobitidae). Acta Zootaxonomica Sinica , 18(2): 247-251. (in Chinese)
    [3] Ding RH. 1994. The Fishes of Sichuan. Chengdu: Sichuan Science and Technology Press, 63-95. (in Chinese)
    [4] Ding RH, Lai Q. 1996. A new species of Triplophysa from Sichuan. Acta Zootaxonomica Sinica , 21(3): 374-376.(in Chinese)
    [5] Guo YS, Sun ZY, Fu JR, Liu SY, Guo ZW, Yang J. 2012. Found once more and annotation on the type locality of Triplophysa angeli. Acta Zootaxonomica Sinica , 37(4): 912-914. (in Chinese)
    [6] He CL, Song ZB, Zhang E. 2008. Triplophysa lixianensis , a new nemacheiline loach species (Pisces: Balitoridae) from the upper Yangtze River drainage in Sichuan Province, South China. Zootaxa , 1739: 41-52.
    [7] He CL, Zhang E, Song ZB. 2012. Triplophysa pseudostenura , a new nemacheiline loach (Cypriniformes: Balitoridae) from the Yalong River of China. Zootaxa , 3586: 272-280.
    [8] Prokofiev AM. 2007. Materials towards the revision of the genus Triplophysa Rendahl, 1933 (Cobitoidea: Balitoridae: Nemacheilinae): a revision of nominal taxa of Herzenstein (1888) described within the species “ Nemachilus” stoliczkae and “ N .” dorsonotatus, with the description of the new species T. scapanognathasp . nova. Journal of Ichthyology , 47(1): 1-20.
    [9] Prokofiev AM. 2010. Morphological classification of loaches (Nemacheilinae). Journal of Ichthyology , 50(10): 827-913.
    [10] Wu YF, Wu CZ. 1992.The Fishes of The Qinghai-Xizang Plateau. Chengdu: Sichuan Science and Technology Press, 52, 149-264. (in Chinese)
    [11] Yang J, Wu TJ, Lan JH. 2011. A new blind loach species, Triplophysa huanjiangensis (Teleostei: Balitoridae), from Guangxi, China. Zoological Research , 32(5): 566-571.
    [12] Zhu SQ, Wu YF. 1981. A new species and a new subspecies of loaches of the genus Nemachilus from Qinghai Province. Acta Zootaxonomica Sinica , 6(2 ): 221-224. (in Chinese)
    [13] Zhu SQ. 1989. The Loaches of the Subfamily Nemachceilinae in China (Cypriniformes, Cobitidae). Nanjing: Jiangsu Science and Technology Press, 69-129. (in Chinese)
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A new species of Triplophysa Rendahl (Cypriniformes, Nemacheilidae) from Sichuan Province, China

doi: 10.13918/j.issn.2095-8137.2015.5.299
Funds:  This study was support by the Open Research Fund of Laboratory of Sichuan Academy of Forestry (2015016)

Abstract: Triplophysa yajiangensis sp. nov. is described from the upper and middle reaches of the Yalong River, Yangtze Basin, Ganzi Prefecture, Sichuan Province, China. This new species can be distinguished from other congeneric species by the following characters: body surface smooth and scaleless; lateral line complete; caudal peduncle compressed and tapered slightly; lower jaw shovel-shaped; head shorter than caudal peduncle; dorsal-fin origin anterior to pelvic-fin origin and closer to tip of snout than to caudal-fin base, last unbranched ray hard; pelvic-fin reaches or exceeds anus; posterior chamber of gas bladder absent; intestine spiral type with 3-5 winding coils.

Si-Li YAN, Zhi-Yu SUN, Yan-Shu GUO. A new species of Triplophysa Rendahl (Cypriniformes, Nemacheilidae) from Sichuan Province, China. Zoological Research, 2015, 36(5): 299-304. doi: 10.13918/j.issn.2095-8137.2015.5.299
Citation: Si-Li YAN, Zhi-Yu SUN, Yan-Shu GUO. A new species of Triplophysa Rendahl (Cypriniformes, Nemacheilidae) from Sichuan Province, China. Zoological Research, 2015, 36(5): 299-304. doi: 10.13918/j.issn.2095-8137.2015.5.299
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