Tucuxi dolphin is an endemic species of river dolphin found in the Amazon River basin. It is also known by several other names, such as the gray dolphin, the Amazon river dolphin, the Sotalia, or simply the tucuxi. These synonyms are used interchangeably by scientists and locals who study and interact with the species. The tucuxi dolphin is a fascinating creature with its unique pinkish-grey coloration, long beak, and small size, making it an adorable and remarkable species to encounter. Despite being classified as vulnerable, the tucuxi dolphin continues to thrive in its natural habitats, making it an essential part of the Amazon's ecosystem.