- Pair 1: Blue-finned Mahseer (Tor remadevii) is a species of Mahseer considered endemic to the Cauvery river basin in the Western Ghats. This pair is correctly matched. - Pair 2: Irrawaddy Dolphin (Orcaella brevirostris) is found in coastal areas, estuaries, and certain rivers in Southeast Asia and parts of the Bay of Bengal. In India, they are notably found in Chilika Lake. They are not naturally found in the Chambal River. The Ganges River Dolphin is found in the Chambal. This pair is incorrectly matched. - Pair 3: The Rusty-spotted Cat (Prionailurus rubiginosus) is one of the smallest wild cat species and is found in India (including parts of the Eastern and Western Ghats), Sri Lanka, and Nepal. This pair is correctly matched.