How big does a Japen rat get? Here is an overview over the average adult age:
A grown Japen rat (Rattus jobiensis) reaches an average size of 21.6 cm (0′ 9″).
When born, they have an average size of 0 cm (0′ 0″). A full-grown exemplary reaches roughly 380 grams (0.84 lbs). The Japen 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.
The Japen rat (Rattus jobiensis) is a species of rodent in the family Muridae found only in Yapen, Biak-Supiori, and Owi islands of West Papua, Indonesia.
Animals of the same family as a Japen rat
We found other animals of the Muridae family:
- Ricefield rat with a size of 19.3 cm (0′ 8″)
- Gray-tailed narrow-headed rat with a weight of 85 grams
- Isabel naked-tailed rat with a size of 27 cm (0′ 11″)
- White-toothed brush mouse with a size of 11.5 cm (0′ 5″)
- Greater hamster-rat with 4 babies per litter
- Stirton’s deer mouse with a size of 10.1 cm (0′ 4″)
- Highveld gerbil with 2 babies per litter
- Setzer’s pygmy mouse with a weight of 6 grams
- Obi mosaic-tailed rat with a size of 13.7 cm (0′ 6″)
- Argentine hocicudo with a weight of 67 grams
Animals with the same size as a Japen rat
Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Japen rat:
- Mindoro striped rat with a size of 17.3 cm (0′ 7″)
- Three-striped ground squirrel with a size of 17.7 cm (0′ 7″)
- Northeast African mole-rat with a size of 19.7 cm (0′ 8″)
- Philippine tree squirrel with a size of 21 cm (0′ 9″)
- Speckled dasyure with a size of 19.6 cm (0′ 8″)
- Thomas’s rope squirrel with a size of 18.4 cm (0′ 8″)
- Bioko Allen’s bushbaby with a size of 20 cm (0′ 8″)
- Richmond’s squirrel with a size of 19.4 cm (0′ 8″)
- Soft-spined Atlantic spiny rat with a size of 19.7 cm (0′ 8″)
- Prevost’s squirrel with a size of 24.7 cm (0′ 10″)
Animals with the same weight as a Japen rat
As a comparison, here are some other animals that weight as much as the Rattus jobiensis:
- Eastern small-toothed rat bringing 357 grams to the scale
- Gray four-eyed opossum bringing 426 grams to the scale
- Short-furred Atlantic tree-rat bringing 439 grams to the scale
- Yellow-crowned brush-tailed rat bringing 445 grams to the scale
- White-headed marmoset bringing 342 grams to the scale
- Merriam’s pocket gopher bringing 420 grams to the scale
- Lesser bilby bringing 364 grams to the scale
- Wyoming ground squirrel bringing 325 grams to the scale
- Aldabra flying fox bringing 309 grams to the scale
- Microcebus coquereli bringing 328 grams to the scale