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 Das...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.展开更多
One specimen was collected from Lancangjiang River in Jinghong,China on August 1st,2006.It is identified as Anguilla bicolor McClelland,1844,a new record of Anguillidae species occurring in Lancangjiang River in China...One specimen was collected from Lancangjiang River in Jinghong,China on August 1st,2006.It is identified as Anguilla bicolor McClelland,1844,a new record of Anguillidae species occurring in Lancangjiang River in China.It could be distinguished from other Anguilla species by the character as：dorsal-fin origin located above vent vertically.It is an active nocturnal forager,feeding largely on a diet of crustaceans and mollusks.展开更多
基金This study was supported by the National Science Foundation of China (30970326, U0936602, 30870291)the Scientific Research Foundation of Yunnan University (2008YB004)
文摘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.
基金This study was supported by the National Science Foundation of China(30970326,U0936602,30870291)the Scientific Research Foundation of Yunnan University(2008YB004)
文摘One specimen was collected from Lancangjiang River in Jinghong,China on August 1st,2006.It is identified as Anguilla bicolor McClelland,1844,a new record of Anguillidae species occurring in Lancangjiang River in China.It could be distinguished from other Anguilla species by the character as：dorsal-fin origin located above vent vertically.It is an active nocturnal forager,feeding largely on a diet of crustaceans and mollusks.
