Jaguars on the land, giant otters in the water.

如属于那片土地的美洲虎，以及属于那片水域的巨型水獭。

And that's why the giant otter needs the snail.

这就是为什么在巨型水獭需要蜗牛。

Without it, all those millions of caimans, the capybara, the jaguar, and especially the giant otter, would struggle to live here.

如果没有它，那些数百万只的凯门鳄，水豚美洲虎，尤其是巨型水獭就只能在这里挣扎着生存。

So giant otters will call to each other.

所以巨型水獭会互相呼唤。