International Union for Conservation of Nature (IUCN) has listed Hump-backed Mahseer as Critically Endangered in the Red List of Threatened Species.
The Hump-backed Mahseer is a species of freshwater ray-finned fish and is referred to as tiger of the water. The Hump-backed Mahseer is found only in the Cauvery river basin including Pambar, Kabini and Bhavani rivers. There are about 16 species of mahseer in India.
It is mainly found in three Kerala, Tamil Nadu and Karnataka across the River Cauvery.