8-13 mm
Oval
Adults can reach lengths of 5-13 feet (1.5-4 meters)
Large and elongated with a thick body, muscular build, and a triangular-shaped head
Up to 2 meters
Elongated and cylindrical
Up to 8 inches (20 centimeters)
Long and flattened
Varies
Small to medium-sized
Female: 16-17 inches; Male: 17-18 inches
Medium-sized, muscular, and compact
5-6 inches
Large and stocky
10-15 cm
Disc-like
70 to 120 cm
Stocky and solid
50-60 cm
Medium-sized and muscular
30 to 40 inches
Streamlined and fusiform
Up to 10 feet (3 meters)
Streamlined and spindle-shaped
23-28 inches
Well-muscled and athletic
40 to 70 cm
Stocky and compact
55-69 cm (22-27 in)
Medium-sized and athletic
Between 3 and 8 inches
Segmented body with a hard exoskeleton and a long abdomen
9-13 inches
4-8 inches (10-20 cm)
Large, stocky
