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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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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
文字稿
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。
