How big does a Black dwarf porcupine get? Here is an overview over the average adult age:
A grown Black dwarf porcupine (Coendou nycthemera) reaches an average size of 35 cm (1′ 2″).
When born, they have an average size of 0 cm (0′ 0″). A full-grown exemplary reaches roughly 3 kg (6.61 lbs). The Black dwarf porcupine (genus: Coendou) is a member of the family Erethizontidae.
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 black dwarf porcupine, also known as Koopman’s porcupine, Coendou nycthemera, is a porcupine species from the New World porcupine family endemic to northern Brazil. It occurs in the Amazon rainforest east of the Madeira River and south of the Amazon River. It inhabits primary forest and possibly second growth. It was described as Coendou koopmani by Charles O. Handley Jr. and Ronald H. Pine in 1992, but was subsequently found to be identical to a species described in 1818. It is nocturnal and herbivorous.
Animals of the same family as a Black dwarf porcupine
We found other animals of the Erethizontidae family:
- Bicolored-spined porcupine with 1 babies per litter
- Brazilian porcupine with a size of 46.9 cm (1′ 7″)
- Rothschild’s porcupine bringing 2 kilos (4.41 lbs) to the scale
- Brown hairy dwarf porcupine with a weight of 736 grams
- Mexican hairy dwarf porcupine bringing 2 kilos (4.41 lbs) to the scale
- Black dwarf porcupine with a size of 35.2 cm (1′ 2″)
- North American porcupine with a size of 83.7 cm (2′ 9″)
- Black-tailed hairy dwarf porcupine with a size of 39.8 cm (1′ 4″)
- Paraguaian hairy dwarf porcupine with 1 babies per litter
- Bahia porcupine with a weight of 999 grams
Animals with the same size as a Black dwarf porcupine
Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Black dwarf porcupine:
- Greater bilby with a size of 37.5 cm (1′ 3″)
- Back-striped weasel with a size of 28.7 cm (1′ 0″)
- Indian grey mongoose with a size of 39.8 cm (1′ 4″)
- Goeldi’s marmoset with a size of 28 cm (1′ 0″)
- Southern giant slender-tailed cloud rat with a size of 38.2 cm (1′ 4″)
- Livingstone’s fruit bat with a size of 34 cm (1′ 2″)
- Chinese pangolin with a size of 37.9 cm (1′ 3″)
- White-footed saki with a size of 39.4 cm (1′ 4″)
- Epixerus with a size of 28.8 cm (1′ 0″)
- African striped weasel with a size of 30.4 cm (1′ 0″)
Animals with the same weight as a Black dwarf porcupine
As a comparison, here are some other animals that weight as much as the Coendou nycthemera:
- Scrub hare with a weight of 2.6 kilos (5.73 lbs)
- Crescent nail-tail wallaby with a weight of 3.5 kilos (7.72 lbs)
- Yellow-throated marten with a weight of 2.5 kilos (5.51 lbs)
- Asian small-clawed otter with a weight of 3.53 kilos (7.78 lbs)
- Long-tailed pangolin with a weight of 2.75 kilos (6.06 lbs)
- Tehuantepec jackrabbit with a weight of 3 kilos (6.61 lbs)
- Hoary bamboo rat with a weight of 2.45 kilos (5.4 lbs)
- Wolffsohn’s viscacha with a weight of 2.68 kilos (5.91 lbs)
- Quokka with a weight of 3.03 kilos (6.68 lbs)
- White-nosed saki with a weight of 2.8 kilos (6.17 lbs)
