Consider the following statements regarding the ‘Gangetic Dolphin’ :

1. The Gangetic River Dolphin has been categorized as ‘endangered’ under the IUCN’s Red List.

2. It does not have a crystalline eye lens rendering it effectively blind.

3. Navigation and hunting are carried out using echolocation.

4. It has been recognized as India’s National Aquatic Animal.

Which of the above statements are correct?

The correct answer is All of the above.

Key Points Gangetic River Dolphin:

• The Gangetic River Dolphin has been categorized as ‘endangered’ under the IUCN’s Red List.
• The Gangetic Dolphin is a fresh-water species, and one of the few river dolphins found in the world. 
• It inhabits the Ganges-Brahmaputra-Meghna and Karnaphuli-Sangu river systems of Nepal, India, and Bangladesh.
• It does not have a crystalline eye lens rendering it effectively blind. That is why known as Blind dolphin,
• Navigation and hunting are carried out using echolocation.
• It has been recognized as India’s National Aquatic Animal.
• It is placed in Schedule-I of the Wildlife (Protection) Act.
• It is listed on CITES Appendix I, which lists species that are the most endangered among CITES-listed animals and plants.

Hence all the statements are correct.