❖ According to the Wildlife Institute of India, currently, about 4,000 dolphins are present in the Ganga and its tributaries.

❖ The number of Gangetic dolphins in Uttar Pradesh is expected to be 2,000.

❖ It is more than half of the total number of Gangetic dolphins found in India.

❖ In Uttar Pradesh, the dolphins are mainly found in the Chambal River.

❖ Ganges river dolphin also known as blind dolphin, Ganges susu or its scientific name is Platanista gangetica.

❖ It is mainly found in the mainstream of the Ganga River and its tributaries, Ghaghra, Kosi, Gandak, Chambal, Rupnarayan, and Yamuna. 

❖ Gangetic river dolphin was declared the National Aquatic Animal of India on 18 May 2010.