20-50 centimeters
Small, round body with long ears and a fluffy tail
40 to 70 cm
Stocky and compact
45-64 cm
Medium-sized with short legs
Up to 6 feet
Slender and elongated
Up to 16 inches (40 cm)
Dome-shaped carapace and a high-domed shell
10-20 inches
Large, muscular
17-25 inches
Large and muscular
Medium-sized, typically between 40-60 cm (16-24 inches)
Medium-sized, muscular body with a moderate length tail
4 to 6 feet
Cylindrical and slender
Approximately 1 to 2 inches
Up to 4 inches
Compact and laterally compressed
6 inches (15 cm)
Elongated and streamlined
20-30 cm
Small and streamlined
3 to 6 feet
8-18 inches
Small to medium-sized
2 to 7 feet
Heavy-bodied with a triangular-shaped head
Up to 2 feet
Cylindrical and elongated
1-3 mm
Small, soft-bodied