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易游app:World's largest freshwater fish found in Mekong, scientists say 科学家称在湄公河发现世界上最大淡水鱼
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World's largest freshwater fish found in Mekong, scientists say 科学家称在湄公河发现世界上最大淡水鱼
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This is the world's largest freshwater fish ever documented.
这是有记录以来，世界上最大的淡水鱼。
The 300kg stingray was caught in Cambodia's Mekong river.
这条重达300公斤的黄貂鱼是在柬埔寨的湄公河中被捕获的。
The previous record-holder was a Mekong giant catfish weighing 293kg, caught in Thailand in 2005.
此前的纪录保持者是一条重达293公斤的湄公河巨型鲶鱼，这条鱼是2005年在泰国被捕获的。
There is no official database for such a find.
目前没有记录世界上最大淡水鱼的官方数据库。
But scientists are excited by the discovery, saying it offers hope at a time when overfishing, dams and pollution are a threat.
但科学家们对这次湄公河中发现的巨大黄貂鱼兴奋不已，他们表示，当下，过度捕捞、筑坝和污染对河流生态环境构成了威胁，这个发现带来了希望。
The stingray was fitted with an acoustic tag to track its future movements.
科学家在黄貂鱼身上安装了一个声学标签，跟踪它未来的活动。
It was then released back into the river.
这条黄貂鱼之后被放归河里。
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