The river basin supports a wide spectrum of organisms, many of which are endemic. It is the natural habitat many fish varieties including the Mahseer, one of the popular game varieties.
The Kaveri river is one of the important rivers in our country. The river along with its major tributaries (Kabini, Noyyal, Bhavani, Amaravathy, Lokapavani, Kapila, Hemavathi etc.) pass through important urban centres including Bangalore, Mysore, Coimbatore, Trichy and Erode and acts as a lifeline to the people of Karnataka and Tamil Nadu.
Large-scale water extraction and other activities in the river have adversely affected the water quantity and quality.