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Animal Weight

How much does a Thomas’s water mouse weight?

It is hard to guess what a Thomas’s water mouse weights. But we have the answer:

An adult Thomas’s water mouse (Rheomys thomasi) on average weights 40 grams (0.09 lbs).

The Thomas’s water mouse is from the family Muridae (genus: Rheomys). When reaching adult age, they grow up to 40.6 cm (1′ 4″).

As a reference: An average human weights in at 62 kg (137 lbs) and reaches an average size of 1.65m (5′ 5″). Humans spend 280 days (40 weeks) in the womb of their mother and reach around 75 years of age.

Thomas’s water mouse (Rheomys thomasi) is a species of rodent in the family Cricetidae found in El Salvador, Guatemala, and Mexico at altitudes of 400 to 2700 m. It lives near forest streams and is semiaquatic; its carnivorous diet includes both invertebrates and small vertebrates. The conservation status of the species is rated as “near threatened” because of the small size of its range and the threat of degradation of its habitat, including the water quality of the streams it lives along.

Animals of the same family as a Thomas’s water mouse

We found other animals of the Muridae family:

Animals with the same weight as a Thomas’s water mouse

As a comparison, here are some other animals that weight as much as the Rheomys thomasi: