Indus Dolphin

As we all know the Dolphins are found in salt see water of marine environment but there is a unique Dolphin called the Indus Dolphin local name the Bulhan is found in the fresh waters of Indus River. The uniqueness of this Bullhan is Blind and related the planet earth's most ancient animals. As we know the dolphins have the amazing ability of sound, with the help of his sound this animal hunts and eats. As the Indus river Dolphin sis blind not because of any diseases but the relation with this mud full fresh water of  Indus river where he dose not see but the with the help of his voice that can create a full image of solid thing such as X-ray.They are absolutely different than his related specie of See Water Dolphin  There color is gray and and stocky. The Indus Dolphin is dying because the shortage of feed and the water. The Government of Pakistan should take some responsibility to save this unique Fish by taking care of Indus river from the start to the end.