The species occurs in India, Bangladesh, Myanmar, Sri Lanka, the Maldives, Nepal, and the
Chagos Archipelago, where it may have been introduced. There are five recognized subspecies with overlapping distributions: •
M. t. trijuga:
peninsula black turtle, India •
M. t. coronata:
Cochin black turtle, India •
M. t. indopeninsularis:
Bangladesh black turtle, India, Nepal •
M. t. parkeri: Sri Lanka •
M. t. thermalis:
Sri Lanka black turtle, India, Maldives, Sri Lanka The Indian black turtle inhabits a variety of water bodies including ponds, marshes streams, rivers and artificial water bodies like rice-paddies, watering holes etc. Cochin black turtle (Melanochelys trijuga coronata).jpg|
M. t. coronataChambal River,
Uttar Pradesh,
India Sri Lanka black terrapins (Melanochelys trijuga thermalis).jpg|
M. t. thermalisKandy,
Sri Lanka ==Ecology==