Four of the world's 10 biggest freshwater fish migrate up the Mekong to spawn.

世界十大大型淡水鱼中有四种会迁移至湄公河产卵。

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Four of the world's 10 biggest freshwater fish migrate up the Mekong to spawn.

世界十大大型淡水鱼中有四种会迁移至湄公河产卵。

youdao