The seals here thrive on a diet of fish and squid. 海豹在吃这里大量的鱼和枪乌贼(即鱿鱼)
but in Southern Africa they're so big they create seas rich enough to support colonies of over a million seals. 不过在南部非洲的大洋流带来的 充足食物能满足百万只海豹的需要
Sand dollars flat sea urchins cluster together as a defense 成群的饼海胆叠加起来组成防御阵线
The sunflower starfish is a meter across, with an appetite for brittle stars. 向日葵海星长达1米 它喜欢吃蛇尾海星
The most fearsome predator here is a giant. 这里有可怕的大型掠食动物
The algal towers are as high as a three story house 这片巨藻林有足有三层楼那么高
and they can grow by half a meter a day. 它们每天还能长半米
Along the coast of California, ocean currents carry a constant supply of nutrients up from the depths to the surface layers. 在加利福尼亚沿海,洋流持续不断的把养分从海底 带到海平面上来