The gray slender opossum (Marmosops incanus), is an opossum species endemic to eastern Brazil.

This species is a semi-arboreal marsupial, moving on average 67.38% on the ground.

[3] They are solitary, nocturnal, and scansorial (tree climbers).

[4] Their diet consists mainly of insects.

[5] This article about a marsupial is a stub.