the sea lions have changed their natural behaviour 海狮已经改变了自然习性
This one net must have about 15 tons of fish in it 这张渔网里准有15吨的鱼
so the crew must ensure they have the full cooperation of the fishermen. 因此潜水团队必须确保得到渔民的全力配合
Animals have evolved in remarkable ways 动物以非凡的进化过程
This is the moment the sea lions have been waiting for. 海狮等的就是这个时候
They have learnt to look for holes in the net. 它们学会了寻找渔网上的破洞
and have the best chance of survival 将在严酷的深海世界中
all traces of sunlight have disappeared. 一缕阳光也无法照射进来