This rodent lives in tropical primary lowland forest on Indonesia's Mentawai Islands. Its coarse coat is spiny; the back is dark and the belly is pale creamy buff.
The dorsal coat is ocherous, nearly black along the back and lighter on the sides; the belly is pale creamy buff.
It inhabits tropical primary lowland forest, is terrestrial, and is probably nocturnal.
An extinction-risk assessment has not been added yet.