You hear the sound of the parrotfish, like the noise of the waves.

你可以听到鹦鹉，就海浪似。

This helps parrotfish reach seaweed other fish can't consume, while simultaneously clearing out open space for new corals to settle and existing colonies to expand.

这帮助鹦鹉吃到其他够不到海藻，还能为新珊瑚清扫出开放生长空间，帮助新珊瑚定居，让原有珊瑚生长。

Then the parrotfish has to get rid of all of the crushed limestone—and there's only one way to do that.

然后鹦嘴要处理掉所有碎石灰石，而它们只有一种处理方式。

There is nobody talking. You hear the sound of the parrotfish, like the noise of the waves.

你在水下。没有人说话。你听到鹦嘴，就海浪。

The parrotfish that remain live in much smaller communities.

幸存鹦鹉只得生活在更小群落里。

Can you guess what parrotfish and beaches have to do with each other?

你能猜到鹦嘴和沙滩有何必然干系吗？

In many coral reefs, overfishing has reduced the number of parrotfish, as well as other seaweed eaters, such as surgeonfish and rabbitfish.

很多珊瑚礁中，过度捕捞减少了鹦鹉数量，以及其他吃海藻，例如，刺尾和蓝子。

Parrotfish are a distinctive family of fish species with a tough, bony beak so strong that they can bite through rock and coral!

鹦嘴是一类独特硬骨，骨喙强度足以它们咬碎岩石和珊瑚。

But unlike their neighbors, parrotfish can completely remove even the tiniest scraps of seaweed from the ocean floor.

但它和它邻居不一样是，鹦鹉能够从海床上完全移除海藻，甚至是其最小残渣。

Eating rocks is just one way parrotfish help manage seaweed.

吃石头只是鹦鹉打理海藻一种方式。

Named for their vibrant scales and beak-like teeth, these parrotfish are devouring a particularly crunchy breakfast: rocks.

以他们鲜明鳞片与喙状齿闻名，这群鹦鹉在忙着吃一种特别脆早餐：石头。

Through a dynamic system of social networks, parrotfish can convey information to other coral-dwelling fish.

通过一个动态社交网，鹦鹉能向其他珊瑚居民传递信息。

A single parrotfish can produce over 380 kilograms of this pulverized coral each year.

一条鹦鹉每年可以产生超过380公斤这种粉碎后珊瑚。

Parrotfish, for example, favor the brute force approach.

例如，鹦嘴喜欢采用暴力方法。

Okay, so what does a parrotfish look like?

好，那么鹦嘴长什么样子呢？

The lionfish's menu includes herbivores that eat algae, like parrotfish or surgeonfish.

狮子食物包括以藻类为食食草动物，例如鹦嘴和刺尾。

Hundreds of butterflyfish, parrotfish, and seahorses darted around her.

数百条蝴蝶、鹦嘴和海马在她周围游来游去。

But once I got in there and I relaxed, I realized that there were all of these just incredible sea creatures around me just swimming all around the coral reef, so things like these rainbow-colored parrotfish and really big fish called grouper.

但当我进入水中并放松下来后，我意识到周围游动着许多令人惊叹海洋生物， 它们在珊瑚礁间自由穿梭，比如那些色彩斑斓鹦嘴和体型庞大石斑。

To understand parrotfish in today's reefs, Cramer is exploring their history. " I've always been interested in what things used to look like, " she says.

为了了解当今珊瑚礁中鹦嘴，克雷默正在研究它们历史。“我一直对事物过去样子很感兴趣，”她说。

And me and a mate were supposed to be kind of paying attention to parrotfish eating algae as part of this study we were doing.

我和一个朋友本应该注意观察鹦嘴吃海藻，这是我们研究一部分。