It's common to see large predatory sharks come in and feed on schools of bait-fish - the odd thing was I didn't see any bait-fish at all!
大型肉食鱼类追逐捕食鱼群还算常见——但奇怪的是我根本没有看到鱼群。
Silversides swirl through mangroves in the coral reefs off Cuba. The finger-size fish form large schools to try to confuse predators.
在古巴珊瑚礁，银河鱼们以旋涡状穿过红树林。这些手指大小的鱼儿们成群结队以此来迷惑捕食者。
A farmer noticed large schools of fish swimming near the surface of the water, whelloch, he said, indicated the possible occurrence of an earthquake.
个农平易近注重到有许多鱼在水面游动，他说这显示着有可能有地动发生。
A farmer noticed large schools of fish swimming near the surface of the water, he said, indicated the possible occurrence of an earthquake.
一个农民注意到很多鱼在水面上游动，他说这预示着可能有地震发生。
Another common belief is that piranha form large schools for hunting, allowing them to attack larger prey than a single fish could.
人们普遍认为食人鱼聚成一大群是为了捕食，这样相对于单兵作战更易捕猎到较大的猎物。
Silversides swirl through mangroves in the coral reefs off Cuba. The finger-size fish form large schools to try to confuse predators.
银汉鱼在古巴外珊瑚礁区的红树林中打转穿梭。这些手指大小的鱼儿结成巨大的鱼群，以蒙蔽捕猎者。
Sometimes while surfing with my friends we would see dolphins and large schools of fish swimming around us.
有的时候，在跟朋友一起冲浪时，看到海豚和鱼群在我们周围游弋。
A farmer noticed large schools of fish swimming near the surface of the water, which, he said, indicated the possible occurrence of an earthquake.
一个农民注意到有很多鱼在水面上游动，他说这预示着可能 有地震发生。
A farmer noticed large schools of fish swimming near the surface of the water, which, he said, indicated the possible occurrence of an earthquake.
一个农民注意到有很多鱼在水面上游动，他说这预示着可能 有地震发生。
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