This mouse has been collected in high-elevation montane forest in northwestern Bolivia. It has grayish fur, but little is known about its diet, reproduction, or other aspects of its life.
Its fur is soft and fairly long, with gray tones overall. Fine black and brown hairs mix into the upper fur; the cheeks and sides are dark, and the underside is gray.
It has been recorded in montane forest at 2,360–3,300 m and collected on rocky, wooded slopes. It is described as terrestrial, but its diet, reproduction, and other behavior are unknown.
An extinction-risk assessment has not been added yet.