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).
In the World of Animals program in 1996 winner of the TEFI prize in the nomination "Best journalistic program". In the World of Animals In the World of Animals () is a Soviet and Russian television program dedicated to zoology and wildlife research, especially the habits and habitat of its members. It aired in 1968. In the early 1970s, show starts at composition by Paul Mauriat Orchestra "Colombe Ivre", a screen saver, which were depicted giraffe and rhino. In 1974, the transmission illustrated splash with a flying monkey, running under the ostriches exciting music of Ariel Ramirez "La peregrinación (Pilgrimage)" of the Christmas cantata Our