A small rice rat found in Chile and Argentina. It has a long tail and is mostly nocturnal and terrestrial, though it climbs well.
Its soft back fur is fawn to pale rufous mixed with black, while the underside is pale. The tail is longer than the body, brown above and nearly white below.
It is mostly nocturnal and terrestrial but climbs well. Its omnivorous diet includes seeds, fruits, plants, and arthropods, varying with season and region.
An extinction-risk assessment has not been added yet.