The Carmen Mountain shrew is a small shrew of northern Mexico's highlands. Its back is light brown, its tail is bicolored, and it has been found near logs and leaf litter in moist forest.
The dorsal fur is light brown, and the ventral hairs have white tips. Its tail is bicolored.
It is found in moist, shaded places near logs and leaf litter. One nest was found in an old Botta's pocket gopher tunnel beneath a rotting log.
An extinction-risk assessment has not been added yet.