#6. Saltwater Crocodile
The largest and most dangerous is the saltwater crocodile, which inhabits the Indo-Pacific region ranging from parts of India and Vietnam all the way to northern Australia. These killers can grow up to 23 feet in length and weigh more than a ton, and are known to kill hundreds each year. Saltwater crocodiles are especially dangerous as they’re excellent swimmers happy in either salt or freshwater. They can strike quickly with a bite delivering 3,700 pounds per square inch.