This spiny rat is recorded in evergreen montane forest in western Sumatra at 900–1,500 m. The genus Maxomys has fur that includes stiff, spine-like hairs.
The genus is described as having brown upperparts with stiff, prominent spine-like hairs and white to buff underparts. This is a genus diagnosis, not a species-specific account of color variation.
It is recorded in evergreen lower and middle montane forest in western Sumatra between about 900 and 1,500 m. The assessment does not describe its daily behavior.
An extinction-risk assessment has not been added yet.