Gangetic River Dolphin (The Hindu)

  • 07 Oct 2023

Why in the News?

A recent publication by scientists and researchers has revealed that 19 Gangetic river dolphins had been rescued from the irrigation canals of the Ganga-Ghagra basin in Uttar Pradesh between 2013 and 2020.

About Gangetic River Dolphin:

  • The Gangetic River dolphin is a freshwater species, representing one of the rare river dolphins worldwide.
  • Distribution: It thrives in the river systems of Ganges-Brahmaputra-Meghna and Karnaphuli-Sangu, spanning across Nepal, India, and Bangladesh.
  • Common Names: Known by various names such as Blind dolphin, Ganges dolphin, Ganges susu, hihu, side-swimming dolphin, and South Asian River Dolphin.
  • Designated as India's National Aquatic Animal.
  • Physical Features: Characterized by a long, thin snout, rounded belly, stocky body, and large flippers.
  • Primarily feeds on fish, often found in counter-current systems of the main river channel.
  • Eyes lack a lens, earning it the moniker 'blind dolphin.'
  • Possesses an advanced bio-sonar system for effective hunting, even in murky waters.
  • Requires surfacing every 30-120 seconds for breathing; its audible breathing sounds have led to the affectionate term 'Susu.'
  • Conservation Status: IUCN categorizes it as Endangered.
  • Protected under Schedule-I of the Wildlife (Protection) Act.
  • Listed in CITES Appendix I.