In the fifth episode of SuperQuark, another documentary from the Ushuaia nature series. Nicolas Hulot, this time explores, with his well-equipped team, the Mozambique Channel and its surroundings, where several years ago, fishermen off the coast of South Africa found a very strange fish in their nets, with prehistoric features, it was a fish that paleontologists knew well through fossils, but which they thought had been extinct for millions of years: the coelacanth. A real one. We will accompany the Ushuaia crew in these seas, where biologists dive to study this living fossil that inhabits the depths of this sea. But it will also be an opportunity to meet many varieties of sharks that populate these waters, also very ancient animals, dating back to 400 million years ago, long before the appearance of the dinosaurs. And which today are threatened with extinction due to the unbridled fishing that takes place throughout the planet.