The Bull shark (Carcharhinus leucas) is a shark present in the tropical and subtropical seas and oceans. This one comes from Madagascar. It is one of the most feared sharks on the planet because it is quite aggressive. It is a solitary, carnivorous fish which is one of the main predators of its biotope.. He is a good swimmer who can cover more than 180 kilometres in a day. It can be seen mainly in depths less than 150 meters and near the coasts. It is adapted to the change of salinity and is known for its river excursions. This shark was caught to be eaten: the jaw is a byproduct of fishing.