For some, the only way of avoiding danger is by hiding amongst their own kind inshoals.
对于它们中有一些来说，唯一躲避危险的办法，就是躲进同类的鱼群里头。
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Why? Because fish are actually 'social' creatures. In the sea they swim inshoals, so it makes perfect sense that they would need companions.
你问为啥？因为鱼类实际是“社会性”生物。在海里它们成群地游动，因此它们需要同伴合情合理。
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"It turns out the amazing synchronised swimming that fish inshoals exhibit is actually caused by each fish using very simple rules to respond to its neighbours," says Herbert-Read.