The smaller tucuxi is found in the Amazon and Orinoco rivers, and the Yangtze finless porpoise is about 1 metre long. Obligate river dolphins are found only in fresh water bodies. The Yangtze ...

renowned for their expertise in the study of the Amazon river dolphin (Inia geoffrensis) and Tucuxi (Sotalia fluviatilis). The collaboration, which begins in October, will contribute to the ...