This monkey lives in the forests of the Natuna Islands and is marked by pale rings around the eyes and long cheek fur. It is active in trees by day.
Its coat is dark brown to gray, with white rings around the eyes. Long cheek fur and pale patches on the body are also described.
It is diurnal and arboreal. Groups in the account averaged about three to five animals, and records include primary forest, logged forest, and rubber plantations.
An extinction-risk assessment has not been added yet.