[6] It was considered a subspecies of the gray mouse lemur (Microcebus murinus) until 1977, when it was recognized as a distinct species.

Brown mouse lemurs are nocturnal creatures,[7] which means they sleep during the day and search for food at night.

According to National Geographic, brown mouse lemurs consume "insects, fruit, flowers, and other plants."

[8] The brown mouse lemur is able to store "thirty-five percent of their body weight" in the form of fat.

[9] The brown mouse lemur generally makes its home in holes found in trees and nests that are made of leaves.

IUCN red list website states that, "The principal threat to this species is habitat loss due to slash-and-burn agriculture.

Some of the well-known predators are "fossa (Cryptoprocta ferox), ring tailed mongoose(Galidia elegans), owls (Strigiformes), and Madagascar harrier hawk (Polyboroides radiatus)."