Great White sharks are one of the most dangerous predators in the Ocean. They are extremely powerful and can swim over 37 mph (60 km/h). They can jump over 19 feet (6 m) in the air despite its weight of more then two tons. Great White sharks are one of the most dangerous predators in the Ocean. They are extremely powerful and can swim over 37 mph (60 km/h). They can jump over 19 feet (6 m) in the air despite its weight of more then two tons.