It has a bushy, squirrel-liketail, a fairly short muzzle, small ears and soft fur. Its face is marked with white and grey, with dark rings around its eyes. Its cheeks, underparts and the upper surfaces of its paws are white. Its tail is also usually tipped with white.
Its diet consists primarily of seeds, other plant material and invertebrates. They have been remarked to eat certain types of scorpions as well and will kill other mice or smallerrat species in their territory.