The gray-brown mouse lemur is a small lemur of dry scrub in southwestern and southern Madagascar. Its diet changes with the seasons.
Its back is pale gray with a cinnamon-colored stripe, and its underside is cream to gray.
It is nocturnal and arboreal. The account records more fruit and gum in the wet season and more gum in the dry season; flowers and arthropods are also eaten.
An extinction-risk assessment has not been added yet.