The Betsileo short-tailed rat is described as having a shorter tail and longer forefoot claws than the black rat. It is recorded in grasslands and human-modified habitats on Madagascar's Central High Plateau.
The comparative paper describes it as having a shorter tail and whiskers and longer forefoot claws than the black rat. Its forefeet are described as shorter and broader.
A Central Plateau survey chapter records it in human-modified habitats and in wet grassy meadows on Mount Ankaratra.
An extinction-risk assessment has not been added yet.