The dusky caenolestid is a small marsupial of the cool, wet highlands of the Andes. It has an elongated face and glossy, silky fur.
It has an elongated, shrew-like face and glossy dark gray to brown fur that is silky to the touch.
It searches among moss and leaf litter and eats mainly small animals such as insects and spiders. Fruit, vegetation, and small vertebrates may also be eaten.
An extinction-risk assessment has not been added yet.