Brazilian gracile opossum habitats than more purely arboreal animals. It has also been found in artificial plantations. There are no recognised subspecies. Brazilian gracile opossums are arboreal and nocturnal, spending the day nesting in tree hollows. They are solitary animals, with each individual inhabiting a home range of anything from , depending on habitat. Males tend to have larger home ranges than females, presumably because, being larger, they require more food. The species is insectivorous, and is an opportunistic forager, not specialising in any particular kind of insect. Individuals have also been reported to eat some spiders, snails, and even fruit (including passionfruit).
Animals in Buddhism not expressly commanded in the Pāli canon, it is evidently viewed as an ideal state from which human beings have fallen; the Aggañña Sutta (DN.27) explains how human beings, originally sustained on various kinds of vegetable matter (compare Gen.1:29-30), as the result of increasing wickedness began to live by hunting, which was originally thought of as a demeaning occupation. In East Asian Buddhism and particularly in Tibet and China, the release of animals, particularly birds or fish, into their natural environment became an important way of demonstrating Buddhist pity. In Tibetan Buddhism it is known as "Tsethar"; whilst in China