This shrew-mouse is currently known only from the Mingan Mountains of Luzon. It was recorded in montane and mossy forest and appeared active both day and night.
Specimens from the Mingan Mountains had dark reddish-brown dorsal fur and shorter, paler orange-brown fur underneath.
It was recorded in montane and mossy forest at 1,476–1,785 m and appeared to be active both by day and night.
An extinction-risk assessment has not been added yet.