There are 14 different species of crocodiles—not to be confused with other types of crocodilian, like alligators and gharials.

有14种不同种类的鳄鱼——不包含其他类似鳄鱼的鳄目动物，比如短吻鳄和大鳄鱼。

This is the skull of a gharial, an extant persiverous crocodilian.

这是鳄鱼的头骨，一种现存的坚韧不拔的鳄鱼。

It probably used its long, narrow snout to catch fish in freshwater, like the gharial does today.

它可能用它又长又窄的鼻子在淡水中捕鱼，就像今天的恒河鳄一样。

Just take a look at one of the most famous so-called living fossils -- the crocodylians, like alligators, crocodiles, and gharials.

看看最著名的所谓活化石之一——鳄鱼，如短吻鳄、鳄鱼和食肉动物。