动物是人类的朋友，可是由于人类环保意识不够，很多动物正处于濒临灭绝的危险境地。请根据下面表格的提示，介绍一下鲸鱼以及人类怎样保护它们。

注意：文章内容要包括表格中的提示，可适当拓展,不少于80词,字迹工整，具有可读性

What do they look like?

Where do they live?

What do they eat?

What can they do?

Why do some of them have to be protected?

How can we protect them?