Salmon spawn in fresh water, but in many cases, the fish spend most of their lives at sea, returning to the rivers only to reproduce. This lifecycle is described as anadromous.
虽然作为淡水鱼类,三文鱼大部分时间都生活在海洋里,它们只在产卵期间回到淡水中,这种生活习性被称为溯河产卵。
Salmon spawn in fresh water, but in many cases, the fish spend most of their lives at sea, returning to the rivers only to reproduce. This lifecycle is described as anadromous.
虽然作为淡水鱼类,三文鱼大部分时间都生活在海洋里,它们只在产卵期间回到淡水中,这种生活习性被称为溯河产卵。
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