6-7.5 inches
Large, stocky body with long legs
30-32 cm
Stocky
Up to 1.5 meters (5 feet)
Long and cylindrical body with a small head and short tail
2 to 14 inches
Long and slender
Up to 30 centimeters (12 inches)
Sleek and streamlined
17-21 inches (43-53 cm)
Muscular and athletic
1-6 feet (0.3-1.8 meters)
Thick-bodied snake with a triangular-shaped head
18 to 24 inches (shoulder height)
Medium to large
Varies
Medium-sized, muscular
2 to 3 feet
Thick body with an upturned snout
Up to 35 inches (90 cm)
Slender and elongated
Approximately 4 meters (13 feet)
Elephant-like with a long, low skull and upward-curving tusks
40 to 60 centimeters
Small and streamlined
Up to 9 meters (30 feet)
Aquatic reptile with a long neck, small head, and fins instead of limbs
Up to 15 meters
Long and streamlined
Approximately 18-26 inches
Medium-sized with a muscular build
20-24 inches
Muscular and medium-sized
18-25 inches
Medium-sized