Current Status of Susu (Platanista gangetica gangetica Roxburgh, 1801) in River Gandak, a Major Tributary of the Holy River Ganga in Bihar, India

The Gangetic Dolphin, Platanista gangetica gangetica commonly known as Susu or Soons in local parlance is distributed in GangaBramhaputra-Meghna and Karnaphuli-Sangu river system of India Nepal and Bangladesh. It is found from the foothills of the Himalayas to some of the tidal zone in India, Bangladesh, Nepal and Bhutan. It belongs to Order Cetacea, Sub Order Odontoceti (Toothed whales). The Cetaceans are aquatic mammals and include whales, dolphins and porpoises.