The Blue-finned Mahseer is a large freshwater fish native to rivers in the Indian subcontinent, including the Cauvery. The Rusty Spotted Cat is one of the smallest wild cats and is found in various habitats across India, including the Eastern Ghats. The Irrawaddy Dolphin, while found in India, is primarily associated with river systems like the Ganges and Brahmaputra, and coastal areas, not typically the Chambal River.