- Length: 37 to 59 inches (95 to 150 cm)
- Weight: 15 to 23 lbs (6.8 to 10.4 kg)
Brown spider monkey
- Length: 29 to 43 inches (74 to 110 cm)
- Weight: 9 to 17 lbs (4.1 to 7.7 kg)
White-faced spider monkey
- Length: 41 to 47 inches (105 to 120 cm)
- Weight: 13 to 21 lbs (5.9 to 9.5 kg)
Geoffroy's spider monkey
- Length: 35 to 51 inches (90 to 130 cm)
- Weight: 9 to 20 lbs (4.1 to 9.1 kg)
Black-headed spider monkey
- Length: 35 to 47 inches (90 to 120 cm)
- Weight: 13 to 18 lbs (5.9 to 8.2 kg)
Variegated spider monkey
- Length: 31 to 45 inches (80 to 115 cm)
- Weight: 11 to 16 lbs (5 to 7.3 kg)
Woolly spider monkey
- Length: 37 to 51 inches (95 to 130 cm)
- Weight: 15 to 21 lbs (6.8 to 9.5 kg)