Crocodiles and alligators have the strongest bites in the animal kingdom. While a typical human’s bite force measures around 150 PSI (pounds per square inch), alligator bites measure more than 2,000, while some species of crocodile have bite forces in excess of 5,000 PSI.

One of the largest crocodiles ever recorded was a saltwater crocodile known as “Lolong” that grew to more than 20 feet long and weighed  2,370 pounds.

Electric eels, which live in the freshwater of the Amazon basin, can produce an electric shock of up to 860 volts and have been known to stun creatures as large as a horse.

The Mantis Shrimp strikes its prey with its two large club-like claws at a speed of around 50 mph and a force equivalent to a gunshot from a .22 caliber rifle.

All Clownfish are born male, with the largest fish in each brood typically changing sex to become the dominant female when required.

Because sea otters sleep while floating on the surface of the sea, to prevent them from becoming separated while asleep, they interlock their hands to form large floating communities known as rafts.

Bull sharks are among the most varied and versatile of sea creatures, and unlike many other shark species can easily switch between salt and fresh water. As a result, in tropical regions bull sharks can often swim up rivers, reaching far inland away from the sea.

Starfish eat by turning their stomachs inside out and enveloping their food with them. They have stomachs, but starfish lack brains, blood, and even anything resembling a central nervous system.