中国魟科鱼类一新纪录——老挝魟(英文)
A new record of Dasyatid fish in China: Dasyatis laosensis
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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.