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摘要: 2008年4月在云南省西双版纳澜沧江干流关累段采集到鱼类标本1尾，经鉴定为中国魟科鱼类的新纪录——老挝魟(Dasyatis laosensis Roberts and Karnasuta, 1987)。本种的主要鉴别特征为：尾部具有一根较大的毒刺，腹部圆盘边缘为橘黄色，尾长大于体长。Abstract: One specimen was collected from the main course of Lancangjiang River (upper reach of Mekong) in Guanlei Port, Xishuangbanna, Yunnan, China in April, 2008. It is identified as Dasyatis laosensis, a new record of Dasyatidae species in China. It could be distinguished from other Dasyatis species by a combination of the following characteristics: one enlarged venomous spine on the tail, ventral surface of body with orange marginal coloration, tail length greater than body length.
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Key words:
- Dasyatis laosensis /
- Fish /
- New species record /
- Lancangjiang River /
- China
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[1] Kottelat M. 2001. Fishes of Laos [M]. Colombo: Wildlife Heritage Trust Publications.Rainboth WJ. 1996. Fishes of the Cambodian Mekong [M]. Rome: Food and Agriculture Organization of the United Nations.Zhu YD, Meng QW. 2001. Fauna Sinica (Cyclostomata and Chondrichthyes) [M]. Beijing: Science Press. (in Chinese) [2]
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