| Mountain water rat | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Muridae |
| Genus: | Baiyankamys |
| Species: | B. habbema |
| Binomial name | |
| Baiyankamys habbema | |
| Synonyms | |
Hydromys habbema | |
The mountain water rat (Baiyankamys habbema) is a semiaquatic species of rodent in the family Muridae. It is found in West Papua, Indonesia and Papua New Guinea. Its natural habitat is rivers.