How big does a Japanese marten get? Here is an overview over the average adult age:
A grown Japanese marten (Martes melampus) reaches an average size of 44.2 cm (1′ 6″).
When born, they have an average size of 0 cm (0′ 0″). A full-grown exemplary reaches roughly 1000 grams (2.2 lbs). The Japanese marten (genus: Martes) is a member of the family Mustelidae.
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 Japanese marten (Martes melampus) is a mammal in the marten genus most closely related to the sable. It is 0.5 m (1.5 ft) in length typically, not counting a 20-cm-long tail (7.9 in), and between 1,000 and 1,500 grams (2.2 and 3.3 lb) in weight. Males are generally larger than females. The pelage varies in color from dark brown to dull yellow with a cream-colored throat.Both males and females are territorial, and the size of each individual’s territory depending on food availability. The Japanese marten is omnivorous, preferring meat from fish, frogs, and small birds and mammals, but consuming insects, fruit, and seeds when necessary.The two confirmed subspecies of Japanese marten are:M. m. melampus lives on several of the Japanese islands.M. m. tsuensis is found on Tsushima Island.It has been recorded in the southern Korean Peninsula, but no locality details prove a wild origin and no native population has been confirmed.
Animals of the same family as a Japanese marten
We found other animals of the Mustelidae family:
- Steppe polecat with a size of 43.5 cm (1′ 6″)
- American marten with a size of 38.2 cm (1′ 4″)
- Molina’s hog-nosed skunk with a size of 21.1 cm (0′ 9″)
- European mink with a size of 36.1 cm (1′ 3″)
- Humboldt’s hog-nosed skunk with a size of 35.4 cm (1′ 2″)
- Hairy-nosed otter with a size of 76.5 cm (2′ 7″)
- Bornean ferret-badger with 2 babies per litter
- Striped polecat with a size of 33.5 cm (1′ 2″)
- Sunda stink badger with a size of 44.2 cm (1′ 6″)
- American hog-nosed skunk with a size of 42.2 cm (1′ 5″)
Animals with the same size as a Japanese marten
Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Japanese marten:
- Pig-tailed langur with a size of 49.9 cm (1′ 8″)
- David’s echymipera with a size of 37.6 cm (1′ 3″)
- Golden-backed uakari with a size of 40 cm (1′ 4″)
- South American coati with a size of 52.8 cm (1′ 9″)
- Malagasy civet with a size of 45.7 cm (1′ 6″)
- Diana monkey with a size of 47 cm (1′ 7″)
- Diademed sifaka with a size of 50.1 cm (1′ 8″)
- Alexander’s kusimanse with a size of 45 cm (1′ 6″)
- Mongoose lemur with a size of 35.4 cm (1′ 2″)
- Hispid hare with a size of 46 cm (1′ 7″)
Animals with the same weight as a Japanese marten
As a comparison, here are some other animals that weight as much as the Martes melampus:
- Oncilla with a weight of 1.11 kilos (2.45 lbs)
- Sunda slow loris bringing 940 grams to the scale
- Cacomistle bringing 906 grams to the scale
- Black-headed night monkey with a weight of 1.06 kilos (2.34 lbs)
- Aotus infulatus bringing 800 grams to the scale
- Striped polecat bringing 812 grams to the scale
- Bronze quoll bringing 896 grams to the scale
- Poncelet’s giant rat with a weight of 1 kilos (2.2 lbs)
- Northern greater galago bringing 812 grams to the scale
- Cinereus ringtail possum bringing 977 grams to the scale