This species inhabits stagnant pools in Brazil and the Guianas and also in parts of the Amazon River and in Trinidad.
In the wild, this reptile is relegated to the extreme south and south-western portions of Madagascar. In recent times, they have also been introduced to the nearby island of Reunion.
Inactive during cool, dry season (May to October). Does not dig burrows. Seeks protection in thickets and seeks shelter in surface litter. Forages during morning and late afternoon.
The last populations of Tutong are found in India, Indonesia, Bangaladesh, and Malaysia. It is extinct in its former range of Thailand, Myanmar, Vietnam, and Singapore.