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Animal Size

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

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

A grown Stein’s rat (Rattus steini) reaches an average size of 17.1 cm (0′ 7″).

When born, they have an average size of 0 cm (0′ 0″). A full-grown exemplary reaches roughly 151 grams (0.33 lbs). A Stein’s rat has 3 babies at once. The Stein’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.

Stein’s rat (Rattus steini), also known as the small spiny rat, is a species of rodent in the family Muridae. It is found in West Papua, Indonesia and Papua New Guinea.

Animals of the same family as a Stein’s rat

We found other animals of the Muridae family:

Animals with the same size as a Stein’s rat

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

Animals with the same litter size as a Stein’s rat

Here is a list of animals that have the same number of babies per litter (3) as a Stein’s rat:

Animals with the same weight as a Stein’s rat

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