At up to 450 pounds and eight feet in length, the Amazon dolphin, or boto, is the largest of the four known species of river dolphin. The others live in the Ganges in India and the Indus in ...

According to World Wild Life, the Amazon river dolphin, also known as the pink river dolphin or boto, can only survive in freshwater. It can be found in Bolivia, Brazil, Colombia, Ecuador ...

In the Amazon and Orinoco river basins, there is a species known as the Amazon river dolphin, also called the pink river dolphin or boto.

scientists will also be on the look out for the grey river dolphin (Sotalia fluviatilis) — a dolphin species darker and smaller than the boto, with a shorter snout and a distinctive triangular dorsal ...