some of the sharks rise from below to trap the fish against the surface. 一些鲨鱼从下方向上进攻 将小鱼逼向海面
these fish are balled together for protection. 这些鱼聚集在一起以寻求保护
but they've also allowed a more infamous group of fish to rule the waves. 但也使另一种更恶名昭彰的鱼类 统治海洋
For these fish, size is everything. 对这些鱼来说 大小决定一切
Some fish use them to protect their eggs. 有的鱼用颌来保护自己的卵
Today, there are more than 30,000 species of fish. 今天存在超过三万种鱼
Just what it needs to outmaneuver the young fish. 刚好能够摆脱这条年轻的鱼
But at nine meters long, this fish is no underdog. 但这身长九米的鱼绝非弱者
Only around 10% of all fish today live in the deep. 今天只有大约10%的鱼类生活在深海