Scientists say this is where an undersea volcano in the Solomon Islands is continuously erupting and an expedition here in 2015 found that the crater is home to silky and hammerhead sharks.

科学家称，这里是所罗门群岛海底火山不断喷发的地方，2015，一支探险队在这里发现，火山口是镰状真和锤头的家园。

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，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。

That's right, a big old hammerhead shark.

没错，是一条巨大的锤头。

And none are better equipped than the hammerhead.

没有比双装备更好的了。

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

你知道，他们看上去真的很傻。得像双一样。

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，黄鳍金枪跟狗一样是80赫兹。

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。

It's important for the hammerhead sharks to have healthy mangroves because they use them on the first stages of life, so it will help the sharks to get the size they need to get to the ocean.

拥有健康的红树林栖息地对双至关重要，因为它们在生命的早期阶段会依赖这些地方，这将帮助大到足够的体型，才能进入大海。

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前，科学家记录了双（又称锤头）的一种体型小巧的近亲吃掉大量海草的情况。

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

大多数槌头双体型较小，但其中有一种无沟双，最大可达20尺，即逾6米。

One of the ocean currents, the Cromwell current, brings sea creatures like whale sharks, hammerheads, and sunfish to the surface.

其中一股洋流，克伦威尔洋流，将鲸、双和太阳等海洋生物带到了海面上。

Environmentalists in Ecuador say they've discovered a new " nursery" where the critically endangered scalloped hammerhead shark raises its young.

厄瓜多尔环保人士称，他们发现了一个新的“托儿所”，极度濒危的双在这里哺育幼崽。

But there is still work to be done restoring the coastal mangroves, vital as birthing habitats for the hammerheads.

不过，为了恢复沿海的红树林——双的出生地，仍然有很多工作要做。

And while names like hammerheads, bulls, and great whites are often the most recognized, there are hundreds more.

虽然像锤头、公牛和大白这样的名字最为人熟知，但还有数百种其他。

Scientists estimate that the global population of scalloped hammerheads has fallen by more than 80% in the last 75 years.

科学家估计，在过去的75里，全球路氏双的数量已经减少了80%以上。

Chief among them, the endangered scalloped hammerhead shark.

其中最重要的就是濒危的路氏双。

Like all sharks have that, but hammerheads are like, you know, super versions of that.

就像所有都有这种能力，但锤头就像是这种能力的超级版本。

The lack of eye organs also seems to indicate that this is a strong possibility, and its thought that xenomorphs track their prey by scent and electroreception much like a hammerhead shark and many sting rays.

眼部器官的缺失似乎也表明这是一种很强的可能性，它认为异形体通过气味和电接收来追踪它们的猎物， 就像锤头和许多黄貂一样。

In the winter of 1987, Kihachiro Aratake, a local tourism group director, was diving off the southern coast of Yonaguni island, in Japan, searching for a good place to observe hammerhead sharks.

1987冬天，当地旅游集团负责人Kihachiro Aratake在日本与那国岛南部海岸潜水，寻找观察双的好地方。

Now, while Henodus didn't have a hammerhead, it did have a very rectangular head with the front of its mouth matching the flat scraper-like area that's found in Atopodentatus.

现在， 虽然海诺龙没有锤头形状的头部，但它确实有一个非常矩形的头部， 其嘴巴前端与奇齿龙身上发现的扁平刮刀状区域相匹配。