This little Chilean opossum looks like a little mouse but with a long, prehensile tail, long and pointed snout, sharp teeth, large ears, and dark spot around the eyes. The body is covered by a silky, thick fur, grey on its back and very light on its stomach.
They feed from insects, meat, carrion, eggs and vegetal material. In spite of being a marsupial, the female lacks the pouch and its teats are located in the abdominal region. 

Family: Didelphidae

Distribution: Between Elqui (4th Region) and Valdivia (10th Region), from sea level near to 2,000 m. in altitude. It abounds in arboreal and jungle environments.

Habitat: It abounds in arboreal and jungle environments.