The finless porpoise, a relative of dolphins and whales, is native to the Indian and Pacific oceans, as well as the freshwater habitats of the Yangtze River basin in China. The Yangtze river’s finless porpoise is one of the very few porpoises that live in fresh water. Its small size and cute ‘smile’ make it much loved in the country and beyond.
Click here for original story, Joint effort discloses deep divergence of a mysterious porpoise
Source: Phys.org