Animal Size

Tome’s spiny rat size: How big do they get?

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

A grown Tome’s spiny rat (Proechimys semispinosus) reaches an average size of 22.9 cm (0′ 10″).

When born, they have an average size of 0 cm (0′ 0″). During their lifetime of about 2.58 years, they grow from 26 grams (0.06 lbs) to 355 grams (0.78 lbs). Talking about reproduction, Tome’s spiny rats have 2 babies about 4 times per year. The Tome’s spiny rat (genus: Proechimys) is a member of the family Echimyidae.

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.

The average adult size of a Tome's spiny rat is  (0' 10

Tome’s spiny rat (Proechimys semispinosus), also known as Tomes’ spiny rat or the Central American spiny rat, is a species of spiny rat distributed from Honduras to Ecuador. The IUCN has assessed its conservation status as being of “least concern”.

Animals of the same family as a Tome’s spiny rat

We found other animals of the Echimyidae family:

Animals with the same size as a Tome’s spiny rat

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

Animals with the same litter size as a Tome’s spiny rat

Here is a list of animals that have the same number of babies per litter (2) as a Tome’s spiny rat:

Animals with the same life expectancy as a Tome’s spiny rat

Completely different animals, but becoming as old as a Tome’s spiny rat:

Animals with the same weight as a Tome’s spiny rat

As a comparison, here are some other animals that weight as much as the Proechimys semispinosus: