This opossum occurs in western and central Amazonia. Examined specimens have grey-based ventral fur; in specimens from Peru, Ecuador and Acre in western Brazil, the white part of the tail is no more than one-quarter of its length.
The ventral fur is extensively grey-based. In specimens from Ecuador, Peru and Acre in western Brazil, the white portion of the tail is no more than one-quarter of its length.
Examined specimens came from western and central Amazonian landscapes where lowland rainforest is the natural climax vegetation. Records include seasonally flooded white-water river floodplains. The revision does not provide independent behavioral or diet data for this species.
An extinction-risk assessment has not been added yet.