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Animal Size

Arianus’s rat size: How big do they get?

How big does a Arianus’s rat get? Here is an overview over the average adult age:

A grown Arianus’s rat (Rattus omichlodes) reaches an average size of 13.2 cm (0′ 6″).

When born, they have an average size of 0 cm (0′ 0″). A full-grown exemplary reaches roughly 70 grams (0.15 lbs). The Arianus’s rat (genus: Rattus) is a member of the family Muridae.

As a reference: Humans reach an average body size of 1.65m (5′ 5″) while carrying 62 kg (137 lbs). A human woman is pregnant for 280 days (40 weeks) and on average become 75 years old.

Arianus’s rat (Rattus omichlodes), also known as Arianus’ New Guinea mountain rat, is a species of rat native to the mountains of Papua Province, Indonesia.

Animals of the same family as a Arianus’s rat

We found other animals of the Muridae family:

Animals with the same size as a Arianus’s rat

Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Arianus’s rat:

Animals with the same weight as a Arianus’s rat

As a comparison, here are some other animals that weight as much as the Rattus omichlodes: