The tucuxi (Sotalia fluviatilis) is a freshwater dolphin found in the rivers of the Amazon basin. Despite being found in geographic locations similar to those of 'true' river dolphins such as the boto, the tucuxi is not closely related to them...
The Guiana dolphin (Sotalia guianensis ), also known as the estuarine dolphin or costero, is a dolphin found in the coastal waters to the north and east of South America, and east of Central America. It is a member of the oceanic dolphin family...
