Swim along the edge of a coral reef and you'll often see schools of sleek, torpedo-shaped fishes gliding through the currents ...

The boxfish is aptly named for its box-like shape. Covered in a bony carapace, this fish has a square, rigid body that gives it a distinctive appearance. Its body is often brightly colored ...

However, a complete skeleton of the megalodon has not been discovered so far, and research on the megalodon's body length and shape has been conducted based on the only discovered vertebrae and ...