The main difference was that Cousteau simply investigated and presented the facts—he didn't mix in fiction.
主要的区别是,库斯托只是简单地调查和陈述事实——他没有混合在小说中。
Well, Painlevé and Cousteau did both film underwater, and they were both innovators, so you are right in that sense.
班勒卫和库斯托都拍过水下电影,他们都是创新者,所以在这层意义上来说,你是对的。
Cousteau usually filmed large animals, usually in the open sea, whereas Painlevé generally filmed smaller animals, and he liked to film in shallow water.