The Aceramarca gracile opossum or Bolivian gracile opossum (''Gracilinanus aceramarcae'') is a species of opossum. It is native to Bolivia and

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = National seal , national_motto = "Firm and Happy f ...

, where it occurs in tropical

elfin forest Dwarf forest, elfin forest, or pygmy forest is an uncommon ecosystem featuring miniature trees, inhabited by small species of fauna such as rodents and lizards. They are usually located at high elevations, under conditions of sufficient air hu ...

habitat. This opossum is mostly arboreal, but it may forage on the ground for food. This species has been recorded at only six locations, but it is not considered to be threatened because its habitat is relatively secure from

deforestation Deforestation or forest clearance is the removal of a forest or stand of trees from land that is then converted to non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban use. The most concentrated ...

and other threats at this time. This mouse opossum does not have a pouch. It is reddish or grayish brown in color with a cream-colored belly and a dark eye ring. It is up to long, not including its slender, scaly tail, which may be over long.Aceramarca Gracile Mouse Opossum.
Evolutionarily Distinct and Globally Endangered (EDGE).

References

Opossums Fauna of the Andes Marsupials of South America EDGE species Mammals described in 1931 Taxonomy articles created by Polbot {{marsupial-stub