A Leptomys rodent of New Guinea’s mountains. Compared with the related L. elegans, it is smaller-bodied and has a much longer tail relative to its body.
Compared with L. elegans, it is smaller-bodied and has a much longer tail relative to head-and-body length.
It is terrestrial and lives in mountain rain forest. Stomach samples from one locality contained arthropods such as insects and fungal hyphae.
An extinction-risk assessment has not been added yet.