The dusky mosaic-tailed rat (Melomys aerosus) is a species of rodent in the family Muridae.
Distribution This rat species is endemic to Seram Island of the Maluku Islands archipelago, in Indonesia.
It is found from . It is currently known from three localities: Mount Manusela in Manusela National Park, Mount Hoaulu, and near Kanikeh.
References Baillie, J. 1996. Melomys aerosus. 2006 IUCN Red List of Threatened Species. Downloaded on 9 July 2007.