Powerful ocean currents attract huge shoals of fish. 大规模的洋流吸引着大量鱼群
Thirty miles away, shoals of squid are jetting upwards towards the surface. 30英里外的海上, 大量的鱿鱼游到海面上
The dense shoals, on which so many depend gather only when water conditions are perfect. 只有在水况非常好的情况下 才会出现这样的鱼群聚集
They break up the shoals into smaller, more manageable balls, and all the hunters benefit. 它们将鱼群分成许多小群, 让猎人们更加易于处理.
It's these shoals that support most of the world's sea mammals. 鱼群也养育了世界上大多数海洋哺乳动物
Huge shoals migrate from their overwintering grounds in the depths 大量鱼群从海洋深处的冬歇地赶来
Shoals of yellow goatfish and trivali are seeking similar prey 许多的黄色绯鲵鲣和它的同伴们 也在寻找同样的猎物
vast shoals of demoiselle fish return to the caves, 大群雀鲷返回到洞窟中
provide welcome food for shoals of hungry fish. 为饥饿的鱼群提供美味食物