It is hard to guess what a Pará spiny tree-rat weights. But we have the answer:
An adult Pará spiny tree-rat (Mesomys stimulax) on average weights 108 grams (0.24 lbs).
The Pará spiny tree-rat is from the family Echimyidae (genus: Mesomys). When reaching adult age, they grow up to 18.5 cm (0′ 8″).
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 Pará spiny tree rat, Mesomys stimulax, or Surinam spiny tree rat, is a spiny rat species from South America. It is found in Brazil.
Animals of the same family as a Pará spiny tree-rat
We found other animals of the Echimyidae family:
- Roberto’s spiny rat with a weight of 284 grams
- White-spined Atlantic spiny rat with a weight of 284 grams
- Pallid Atlantic tree-rat with a weight of 215 grams
- Guyenne spiny rat with a weight of 285 grams
- Plain brush-tailed rat with a weight of 105 grams
- Colombian spiny rat with a weight of 312 grams
- Ihering’s Atlantic spiny rat with a weight of 221 grams
- White-tailed olalla rat with a weight of 274 grams
- Hairy Atlantic spiny rat with a weight of 285 grams
- Painted tree-rat with a weight of 519 grams
Animals with the same weight as a Pará spiny tree-rat
As a comparison, here are some other animals that weight as much as the Mesomys stimulax:
- Harris’s antelope squirrel bringing 127 grams to the scale
- Littledale’s whistling rat bringing 126 grams to the scale
- Bush vlei rat bringing 103 grams to the scale
- Yellow-nosed cotton rat bringing 122 grams to the scale
- Kemp’s gerbil bringing 100 grams to the scale
- Texas antelope squirrel bringing 113 grams to the scale
- Angoni vlei rat bringing 100 grams to the scale
- Buff-bellied climbing mouse bringing 89 grams to the scale
- Osgood’s short-tailed opossum bringing 112 grams to the scale
- Libyan jird bringing 91 grams to the scale