Distribution: middle and lower reaches of the Yangtze River. The body length of the Chinese River Dolphins is 1.5-2.5m and it weighs 100-200kg. They move alone or in small groups of two to seven. They come to the surface to breathe every 10-20 seconds and live on fish weighing less than 1,000g. There are only about 100 Chinese River Dolphins. Exclusively found in China, they are listed as first grade nationally protected animals.