genus
Hydromys
Hydromys is a genus in the family Muridae. This database currently files 5 species under it, recorded across 1 countries.
- Species filed
- 5
- Threatened
- 0
- Countries recorded
- 1
- With a free photo
- 20%
- Weight range
- 135.4 g – 479.8 g
Best-known members of Hydromys
Ranked by popularity score.

Rakali
Hydromys chrysogaster
Western water rat
Hydromys hussoni
New Britain water rat
Hydromys neobritannicus
Ziegler's water rat
Hydromys ziegleri
How threatened is Hydromys?
3 of 5 species filed here have an IUCN category on record.
| IUCN category | Species | Share of assessed |
|---|---|---|
| LCLeast Concern | 1 | 33% |
| DDData Deficient | 2 | 67% |
Where is Hydromys found?
Species on file in this genus listed for each country. Checklist listings, which are incomplete for many species; not range maps.
- None on record
- 4
- 5
- 6
- 7+
All species in Hydromys
| Common name | Scientific name | Family | Status | Weight | Countries |
|---|---|---|---|---|---|
| Rakali | Hydromys chrysogaster | Muridae | Least Concern | 479.8 g | 1 |
| Western water rat | Hydromys hussoni | Muridae | Data Deficient | 141.9 g | 1 |
| New Britain water rat | Hydromys neobritannicus | Muridae | Data Deficient | 135.4 g | 1 |
| Ziegler's water rat | Hydromys ziegleri | Muridae | Not recorded | Not recorded | 1 |
| Not recorded | Hydromys lutrilla | Muridae | Not recorded | Not recorded | Not recorded |