22-27 inches
Large, heavy
Varies depending on species, ranging from a few centimeters to several inches
Compact and flattened body with a distinct asymmetrical claw
11-14 mm
Plump, large
18-20 inches
Medium-sized, sturdy
Average length is around 1.8 meters (5.9 feet)
Slender and elongated
1.25 - 2 inches
Oval and compact
Male: 65-75 cm (25-30 in), Female: 60-70 cm (23-28 in)
Large and muscular
Up to 85 feet (26 meters)
Streamlined and torpedo-shaped
Varies depending on the species, ranging from 10 to 20 centimeters
Small, compact bodies with short beaks and strong legs
42-52 cm
Medium-sized
12.5-15.5 inches (32-39 cm)
Medium-sized, compact
3-5 feet
Cylindrical and elongated
Up to 100 cm
Elongated and cylindrical
Approximately 15-25 centimeters
Sleek and elongated body with short legs and a long tail
5-10 centimeters
Small with a plump body, short legs, and smooth skin
5-25 millimeters (depending on species)
Small and elongated
2-4 feet
Varies by species
