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The New Britain water rat (Hydromys neobritannicus) is a semiaquatic species of rodent in the family Muridae. Found only in Papua New Guinea, it is threatened by habitat loss.

New Britain water rat
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Muridae
Genus: Hydromys
H. neobritannicus
Binomial name
Hydromys neobritannicus
Tate & Archbold, 1935


  1. ^ Gerrie, R. & Kennerley, R. (2016). "Hydromys neobritannicus". The IUCN Red List of Threatened Species. IUCN. 2016: e.T10313A115097202. doi:10.2305/IUCN.UK.2016-3.RLTS.T10313A22401993.en. Retrieved 9 December 2017.