The hammerhead shark is a master of this.

锤头就是其中的佼佼者。

I've gone down 60 meters to see hammerhead sharks.

我也下潜到过60米的深海， 见到了锤头。

Hammerhead sharks tied with humans, at 60Hz, and yellowfin tuna tied with dogs at 80Hz.

锤头跟人类一样，是60赫兹，黄鳍金枪鱼跟狗一样是80赫兹。

You know, they have the really like stupic look. Like hammerhead sharks looking.

知道，他们看上去真的很傻。长得像双髻一样。

Most species of hammerhead are small, but the Great Hammerhead can reach lengths of up to 20 feet or over 6 meters.

大多数槌头双髻小，但其中有一种无沟双髻，最大可达20尺，即逾6米长。

The sword was, indeed, an excellent one, a Swiftpoint Scaremaker with go-faster stripes and a handle shaped like a hammerhead shark.

这把剑的确是一把很棒的剑，它是一把带有更快条纹的Swiftpoint Scare aker，刀柄形状像锤头。

But about 10 years ago, scientists documented a dainty relative of the hammerhead shark, known as a bonnethead shark, consuming copious amounts of sea grass.

但是大约10年前，科学家记录了双髻（又称锤头）的一种小巧的近亲吃掉大量海草的情况。

We'll be tagging hammerhead sharks, tiger sharks and mako sharks trying to understand how they're leveraging the Gulf and their birthing, mating and full migratory patterns.

我们要追踪双髻，虎还有灰鲭，设法搞清楚它们如何影响海湾，它们如何出生、如何交配、如何迁徙。