Volume 35 Issue 5
Sep.  2014
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Marco Endruweit. Schistura megalodon species nova, a new river loach from the Irra-waddy basin in Dehong, Yunnan, China (Teleostei: Cypriniformes: Nemacheilidae). Zoological Research, 2014, 35(5): 353-361. doi: 10.13918/j.issn.2095-8137.2014.5.353
Citation: Marco Endruweit. Schistura megalodon species nova, a new river loach from the Irra-waddy basin in Dehong, Yunnan, China (Teleostei: Cypriniformes: Nemacheilidae). Zoological Research, 2014, 35(5): 353-361. doi: 10.13918/j.issn.2095-8137.2014.5.353

Schistura megalodon species nova, a new river loach from the Irra-waddy basin in Dehong, Yunnan, China (Teleostei: Cypriniformes: Nemacheilidae)

doi: 10.13918/j.issn.2095-8137.2014.5.353
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  • Corresponding author: Marco Endruweit
  • Received Date: 2014-03-03
  • Rev Recd Date: 2014-07-10
  • Publish Date: 2014-09-08
  • A new species of river loach, Schistura megalodon sp. nov., is described from the Irrawaddy basin in Yingjiang County, Dehong Autonomous Prefecture, Yunnan Province, China. The following combination of diagnostic characters serve to distinguish it from all other congeners in the given zoogeographical region: a large processus dentiformes in the upper jaw, a short pre-anus length of 65.4%-66.3% of SL, long paired fins (pectoral: 20.8%-24.2% of SL; pelvic: 17.9%-20.6% of SL), a wide body of 9.7%-11.3% of SL at anal fin origin, an incomplete lateral line, the absence of an orbital lobe, and a broad and distinct basicaudal bar with forward extensions.
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    [2] 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.
    [3] Clothier CR. 1950. A key to some Southern California fishes, based on vertebral characters. California Department of Fish and Game, Fish Bulletin, No. 79. Bureau of Marine Fisheries, 88.
    [4] Hora SL. 1921. Fish and fisheries of Manipur with some observations on those of the Naga Hills. Records of the Indian Museum, Calcutta, 22: 165-214.
    [5] Hora SL. 1929. Notes on fishes in the Indian Museum. XVII. Loaches of the genus Nemachilus from Burma. Records of the Indian Museum, Calcutta, 31: 311-334.
    [6] Hora SL. 1935. Notes on fishes in the Indian Museum. XXIV. Loaches of the genus Nemachilus from eastern Himalayas, with the description of a new species from Burma and Siam. Records of the Indian Museum, Calcutta, 37(Pt1): 49-67, Pl. 1.
    [7] Kottelat M. 1990. Indochinese Nemacheilines. Munich: Verlag Dr. Friedrich Pfeil, 262.
    [8] Kottelat M. 2012. Conspectus cobitidum: An inventory of the loaches of the world (Teleostei: Cypriniformes: Cobitoidei). The Raffles Bulletin of Zoology, (S, 26): 1-199.
    [9] Rendahl H. 1948. Die Süßwasserfische Birmas. I. Die Familie Cobitidae. Arkiv för Zoologi, 40A(7): 1-116. (in German)
    [10] Talwar PK, Jhingran AG. 1992. Inland fishes of India and adjacent countries. Volume 1. New Delhi, Bombay, Calcutta: Oxford & IBH Publishing Co. 541.
    [11] Wikipedia contr. 2014. Yingjiang County. Published by Wikipedia, The Free Encyclopedia. Available from: http://en.wikipedia.org/wiki/ Yingjiang_County. (accessed: 2014-02-26)
    [12] Zhu SQ. 1982. Five new species of fishes of the genus Nemachilus from Yunnan Province, China. Acta Zootaxonomica Sinica, 7(1): 104-111. (in Chinese)
    [13] Zhu SQ. 1989. The loaches of the subfamily Nemacheilinae in China. Nanjing: Jiangsu Science and Technology Publishing House, 150. (in Chinese)
    [14] Zhu SQ, Guo QZ. 1985. Descriptions of a new genus and a new species of noemacheiline loaches from Yunnan Province, China (Cypriniformes: Cobitidae). Acta Zootaxonomica Sinica, 10(3): 321-325.
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Schistura megalodon species nova, a new river loach from the Irra-waddy basin in Dehong, Yunnan, China (Teleostei: Cypriniformes: Nemacheilidae)

doi: 10.13918/j.issn.2095-8137.2014.5.353
    Corresponding author: Marco Endruweit

Abstract: A new species of river loach, Schistura megalodon sp. nov., is described from the Irrawaddy basin in Yingjiang County, Dehong Autonomous Prefecture, Yunnan Province, China. The following combination of diagnostic characters serve to distinguish it from all other congeners in the given zoogeographical region: a large processus dentiformes in the upper jaw, a short pre-anus length of 65.4%-66.3% of SL, long paired fins (pectoral: 20.8%-24.2% of SL; pelvic: 17.9%-20.6% of SL), a wide body of 9.7%-11.3% of SL at anal fin origin, an incomplete lateral line, the absence of an orbital lobe, and a broad and distinct basicaudal bar with forward extensions.

Marco Endruweit. Schistura megalodon species nova, a new river loach from the Irra-waddy basin in Dehong, Yunnan, China (Teleostei: Cypriniformes: Nemacheilidae). Zoological Research, 2014, 35(5): 353-361. doi: 10.13918/j.issn.2095-8137.2014.5.353
Citation: Marco Endruweit. Schistura megalodon species nova, a new river loach from the Irra-waddy basin in Dehong, Yunnan, China (Teleostei: Cypriniformes: Nemacheilidae). Zoological Research, 2014, 35(5): 353-361. doi: 10.13918/j.issn.2095-8137.2014.5.353
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