Monkey Facts

What kind of monkey do you want to bring home? BIG QUESTION, but one that you need to consider.
Before you can buy a monkey, you will have to find out what monkey you really want. Are you looking for an intelligent monkey like a capuchin or a smaller monkey like a marmoset or a tamarin. Perhaps you are looking for something in between like a squirrel monkey ? Maybe you would rather like to have a mouse-sized monkey like a pygmy marmoset ? Hopefully the details and pictures below will make you help the right decision.
Here is a list of primates commonly kept in captivity :
Capuchins
Guenons
Macaques
Marmosets
Squirrels
Spiders
Tamarins
Here is some global information for each specie :

Capuchins :
Lifespan:
35-45 years
Length:
Head + Body : 12-22 inches (30-55 cm)Tail : 12-22 inches (30-56 cm)
Weight:
4-15 pounds (1.8-6.8kg). Females are usually smaller than males
Brown pale-fronted capuchin(Cebus albifrons)
White faced capuchin(Cebus capucinus)
Black-capped capuchin(Cebus appella).
Guenons :

Vervet :
Lifespan:
20-25 years
Length:
Head + Body : 17.9-25.7 inches (46-66cm)Tail : 19.5-28.1 inches (50-72cm)
Weight:
Females : 7-9 pounds (3.5-4.5kg)Males : 9-10 pounds (4-5kg)
Green monkey(C. aethiops)
Grivet(C. aethiops sabaeus)
Vervet(C. aethiops pygerythus)

Macaques :
Celebes Macaque :
Lifespan:
25-30 years
Length:
Head + Body : 22-31 inches (60-80 cm)Tail : .39-.78 inches (10-20 mm)
Weight:
13-35 pounds (6-16kg).

Java Macaque :
Lifespan:
25-30 years
Length:
Head + Body : 15-24 inches (38-65 cm)Tail : 15.6-26 inches (40-65 cm)
Weight:
8-22 pounds (4-10 kg)

Pig-tailed Macaque :
Lifespan:
25-30 years
Length:
Head + Body : 19.5-27 inches (50-68 cm)Tail : 5-9.5 inches (14-24.5 cm)
Weight:
10-35 pounds (4.5-16 kg)

Rhesus Macaque :
Lifespan:
25-30 years
Length:
Head + Body : 15-24 inches (38.5-65 cm)Tail : 7-12 inches (38.5-65 cm)
Weight:
10-30 pounds (4.5-14 kg)

Stump-tailed Macaque :
Lifespan:
25-30 years
Length:
Head + Body : 23-25 inches (60-64 cm)Tail : .39-.78 inches (10-20 mm)
Weight:
22-33 pounds (10-15 kg)

Rhesus Macaque(Macaca Mulatta)

Marmosets :
Common Marmoset :
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)

Geoffroy's Marmoset :
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)

Pygmy Marmoset :
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).

Silvery Marmoset :
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)
Common Marmoset(Callithrix jacchus jacchus).
Pygmy Marmoset(Cebuella pygmaea)
Geoffroy's Marmoset(Callithrix jacchus geoffroyi)
Silvery Marmoset(Callithrix argentata argentata)

Squirrels :
Lifespan:
15-25 years
Length:
Head + Body : up to 12.5 inches (31 cm)Tail : 16 inches (40 cm)
Weight:
appr 33.3 ounces (950g) for males appr 22.8 ounces (650g) for females
Common Squirrel monkey(Saimiri sciureus)

Spiders :
Lifespan:
30-35 years
Length:
Head + Body : 19-20 inches (48-52 cm)Tail : 27-30 inches (70-78 cm)
Weight:
13-25 pounds (6-12 kg)
Brown-headed spider monkey(Ateles fusciceps)

Tamarins :
Cotton-Top Tamarin :
Lifespan:
15 years
Length:
Head + Body : 7.8-11.3 inches (200-290mm)Tail : 12.1-16.4 inches (310-420mm)
Weight:
12.3 to 15.0 ounces (350- 450g)

Golden Lion Tamarin :
Lifespan:
15 years
Length:
Head + Body : 7.8 - 13.3 inches (200-340mm)Tail : 12.3 - 15.6 inches (315-400mm)
Weight:
12.7-25 ounces (360-710 g)

Emperor Tamarin :
Lifespan:
18 years
Length:
Head + Body : 9.2-10.4 inches (235-265mm)Tail : 14-16.6 inches (347-423mm)
Weight:
10.7-14 ounces (300-400 g)
Black Tamarin :
Lifespan:
16 years
Length:
Head + Body : 7.5-8.2 inches (190-210mm)Tail : appr 10 inches (250mm)
Weight:
9-13 ounces (250-365g)

Cotton-Top tamarin(Saguinus oedipus)
Golden lion tamarin(Leontopithecus rosalia)
Emperor tamarin(Saguinus Emperator).
Moustached tamarin(Saguinus Mistax)
Red Handed tamarin(Saguinus Midas)
Saddle-back tamarin(Saguinus fuscicollis Emperator)