The Amber Mountain fork-marked lemur is light grey on the dorsal and ventral areas of its body, with a thick, dark crown, dorsal midline stripe, and tail, as well as its hands and feet.

The species is similar to several other nocturnal lemurs, including Microcebus, Cheirogaleus, and Lepilemur, however they are mainly differentiated from Microcebus by its difference in size, and from all else the forked pattern on the crown, the very loud and distinctive vocalizations, and the unusual head-bobbing movements.

[5] The Amber Mountain fork-marked lemur lives in north Madagascar, in the regions of Montagne d’Ambre and Ankarana, specifically in the Montagne d’Ambre National Park, and is also present in Ankarana National Park, two special reserves (Analamerana and Forêt d’Ambre), and in the Sahafary Classified Forest.

The Amber Mountain fork-marked lemur mainly inhabits both the wet and dry forest.

However, population densities are thought to be high within the Montagne d'Ambre region, though the species has not been studied in-depth.