Up to 30 cm
Elongated and slender
Up to 7.5 centimeters
Small, slender body with a flattened appearance
21-24 inches
Muscular and athletic
Up to 1 inch
Spiral-shaped shell
3 to 9 inches
Small and stout
Approximately 23-30 cm
Small and compact
Varies depending on species, ranging from 50 to 80 inches
Large and heavy-bodied