Krebs's fat mouse is a small, long-tailed rodent with a patchy range in southern Africa. It is described as nocturnal and ground-dwelling, favoring dry sandy places.
The ITIS taxonomic comment describes a small-bodied species with a long tail and small hind feet.
It is described as nocturnal and terrestrial and as favoring dry sandy grassland and sandy deposits. Its diet is not clearly known.
An extinction-risk assessment has not been added yet.