What is the pink dolphins habitat?

Habitat River dolphins inhabit the drainage areas of the largest rivers in the world, mainly in developing countries. The pink river dolphin is widely distributed in the Amazon and Orinoco basins, in Colombia, Venezuela, Brazil, Ecuador and Peru. Currently, two species are recognised, Inia boliviensis in Bolivia and Inia geoffrensis, which contains two subspecies: I. geoffrensis geoffrensis in the Amazon and I. geoffrensis humboldtiana in the Orinoco.