So tiger sharks are this incredible ally.

所以虎鲨是这种非常棒盟友。

As it happens, tiger sharks have something in common with certain East Coasters.

碰巧，虎鲨和某些东海岸动物有一些共同之处。

These tiger sharks have teeth that are capable of doing some serious damage.

这些虎鲨牙齿能够造伤害。

Yes. That's not the shark I rode, but I did ride a tiger shark.

是真，虽然不是这条鲨鱼，但我骑过虎鲨。

Sand tiger shark eggs develop and hatch inside their mother's oviducts at different times.

沙虎鲨卵会在不同时间段在母亲输卵管里发育和孵化。

The tiger sharks were much better observers than humans.

虎鲨观察能力强得多。

And tiger sharks love seagrass habitat.

虎鲨喜欢海草栖息地。

No small accomplishment for 15 tiger sharks and their human colleagues.

对于 15 条虎鲨和它们同事来说，这是一个不小就。

For the study, Gallagher's team caught eight tiger sharks and outfitted them with satellite tags.

在这项研究中，加拉格尔团队捕获了八只虎鲨，并为它们安装了卫星标签。

You'll see a lot of nurse sharks, zebra sharks, some reef sharks and sand tiger sharks.

我们可以看到很多护士鲨、斑马鲨、礁鲨及虎鲨。

They also tracked dozens of tiger sharks with satellite tags for nine years and found similar results.

研究员还用卫星标签追踪了数十只虎鲨，历时9年，发现了似结果。

They also tracked dozens of tiger sharks with satellite tags for nine years and they found similar results.

他们还用卫星标签追踪了数十只虎鲨九年，并发现了似结果。

This is Dr. Neil Hammerschlag from the University Of Miami who's been studying tiger sharks in this region.

这是迈阿密大学 Neil Hammerschlag 博士，他一直在研究这个地区虎鲨。

White sharks, bull sharks and tiger sharks are the sharks most cited by the International Shark Attack File for unprovoked bites.

大白鲨、牛鲨和虎鲨是国际鲨鱼攻击档案最常被引用无端咬鲨鱼。

Deadly tiger sharks blend into seagrass meadows before pouncing on sea cows and sea turtles.

致命虎鲨在扑向海牛和海龟之前混入海草草甸。

Sand tiger shark eggs develop and hatch inside their mother’s oviducts at different times.

沙虎鲨卵在不同时间在其母亲输卵管内发育和孵化。

This shift matters, Hammerschlag says, because tiger sharks are apex predators, and where they go influences the food web beneath them.

哈默施拉格表示，这种转变很要，因为虎鲨是食物链顶端掠食者，它们去向会影响它们下面食物网。

Gallagher: These tiger sharks have teeth that are capable of doing some serious damage.

加拉格尔：这些虎鲨牙齿能够造一些伤害。

Polidoro: For the study, Gallagher's team caught eight tiger sharks and outfitted them with satellite tags.

Polidoro：为了这项研究，Gallagher 团队捕获了八只虎鲨，并为它们配备了卫星标签。

When a pufferfish sees a potential threat, like a tiger shark or a scuba diver, they start quickly gulping up water.

当河豚看到潜在威胁时， 例如虎鲨或水肺潜水员，它们会开始迅速吞水。