Marmosets - General Information

Common Marmoset

Distribution: Eastern Brazil.

Social groups: family groups up to 30 individuals (in captivity max 12). Only one breeding pair in a group.

Lifespan: 7 – 20 years

Length:
Head + Body: 7-12 inches (18-30 cm)
Tail: 7-16 inches (17-40 cm)

Weight: 10-18 ounces (300-500 grams)

Hands: Except for the big toes, a marmoset has claws not nails unlike most monkeys

Color: Marmosets have a flattened black face, thick white tufts on its ears, and long black and white fur. The tail is white ringed with black.

Geoffroy’s Marmoset

Distribution: Southeast Brazil.

Social groups: family groups of 4-15 individuals (in captivity max 12). Only one breeding pair in a group.

Lifespan: 7 – 16 years

Length:
Head + Body: 7-8 inches (18-20 cm)
Tail: 9-11 inches (23-29 cm)

Weight: 10-12 ounces (300-360 grams)

Hands: Except for the big toes, a marmoset has claws not nails unlike most monkeys.

Color: Geoffroy’s marmosets have a blackish-brown coat with white cheeks, forehead and crown. They have black ear-tufts and a ring tail.

Pygmy Marmoset

Distribution: South America, in the upper Amazon of Colombia, Peru, Ecuador, Bolivia and Brazil. They live in trees (arboreal) and despite of their size they are very fast runners. Pygmy marmosets are known to mark (with scent glands) and defend their territory from 25 to 100 acres.

Social groups: family groups of 2-15 individuals. Only one breeding pair in a group.

Lifespan: over 16 years

Length: The pygmy marmoset is one of the smallest monkey on earth !!!
Head + Body: 4.7-5.8 inches (12-15 cm)
Tail: 6.6-9 inches (17-23 cm)

Weight: 3.5-4.5 ounces (100-120g). At birth the young weigh appr 0.5 ounces (15g).

Hands: Except for the big toes, a marmoset has claws not nails unlike most monkeys.

Color: Yellow-brown with faint dark rings on the tail.

Silvery Marmoset

Names: Silvery marmoset, bare-ear marmoset, black-tailed marmoset (Callithrix argentata argentata)

Distribution: South America, in Brazil and Bolivia

Social groups: small family groups. Only one breeding pair in a group.

Lifespan: over 10 years

Length:
Head + Body: 7-10.9 inches (18-28 cm)
Tail: 10.3-14.8 inches (26-38 cm)

Weight: 10.6-12.7 ounces (300-360 grams)

Hands: Except for the big toes, a marmoset has claws not nails unlike most monkeys.

Color: They have a white to silvery-white coat with a pink face and ears. Their tail is black.