Animal Weight

How much does a Tome’s spiny rat weight?

It is hard to guess what a Tome’s spiny rat weights. But we have the answer:

An adult Tome’s spiny rat (Proechimys semispinosus) on average weights 355 grams (0.78 lbs).

The Tome’s spiny rat is from the family Echimyidae (genus: Proechimys). It is usually born with about 26 grams (0.06 lbs). They can live for up to 2.58 years. When reaching adult age, they grow up to 22.9 cm (0′ 10″). On average, Tome’s spiny rats can have babies 4 times per year with a litter size of 2.

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.

The average adult weight of a Tome's spiny rat is 355 grams (0.78 lbs)

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 weight as a Tome’s spiny rat

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

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: