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.
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:
- Short-tailed spiny rat with a weight of 285 grams
- Mouse-tailed Atlantic spiny rat with a weight of 285 grams
- Soft-spined Atlantic spiny rat with a size of 19.7 cm (0′ 8″)
- Soft-spined Atlantic spiny rat with a size of 19.7 cm (0′ 8″)
- Orange-brown Atlantic tree-rat with a weight of 312 grams
- Broad-headed spiny rat with a weight of 30 grams
- Plain brush-tailed rat with a weight of 105 grams
- Cuvier’s spiny rat with a weight of 339 grams
- Woolly-headed spiny tree-rat with a weight of 108 grams
- Sucre spiny rat with a weight of 284 grams
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:
- Ruddy treeshrew with a size of 18.5 cm (0′ 8″)
- Richardson’s ground squirrel with a size of 21.1 cm (0′ 9″)
- Fat-tailed dwarf lemur with a size of 22.5 cm (0′ 9″)
- Golden-mantled ground squirrel with a size of 21.4 cm (0′ 9″)
- Northern Palawan tree squirrel with a size of 21 cm (0′ 9″)
- Black jackrabbit with a size of 23.9 cm (0′ 10″)
- Black-striped squirrel with a size of 20.3 cm (0′ 8″)
- Thomas’s rope squirrel with a size of 18.4 cm (0′ 8″)
- Isabel naked-tailed rat with a size of 27 cm (0′ 11″)
- Pseudocheirus schlegeli with a size of 21.6 cm (0′ 9″)
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:
- Pygmy mouse lemur
- Red tree vole
- Schlieffen’s bat
- Jaguarundi
- Indian palm squirrel
- Bushy-tailed jird
- Rock hyrax
- Gray-bellied caenolestid
- Sandy inland mouse
- Black-footed tree-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:
- Dibatag with an average maximal age of 3 years
- Dibbler with an average maximal age of 3 years
- Brown antechinus with an average maximal age of 3 years
- Lowland streaked tenrec with an average maximal age of 2.67 years
- Brazilian spiny tree-rat with an average maximal age of 3.08 years
- Northern short-tailed shrew with an average maximal age of 2.75 years
- Silvery mole-rat with an average maximal age of 3.08 years
- Bower’s white-toothed rat with an average maximal age of 2.83 years
- Eurasian water shrew with an average maximal age of 3 years
- Lutrine opossum with an average maximal age of 3 years
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:
- Striped possum bringing 413 grams to the scale
- O’Connell’s spiny rat bringing 284 grams to the scale
- Emily’s tuco-tuco bringing 285 grams to the scale
- Colombian spiny rat bringing 312 grams to the scale
- Checkered elephant shrew bringing 424 grams to the scale
- Orange-brown Atlantic tree-rat bringing 312 grams to the scale
- Edwards’s long-tailed giant rat bringing 304 grams to the scale
- Golden-mantled tamarin bringing 385 grams to the scale
- Masoala fork-marked lemur bringing 409 grams to the scale
- Tome’s spiny rat bringing 285 grams to the scale