The average length is 10 feet and its weight can reach 300 pounds. Mako does not rely on electroreception while hunting, but instead uses smell, hearing, and sight.

"Sand sharks are also known as gray nurse sharks and ragged-tooth sharks. They are often seen by surfers along the coast. These animals are about 15 feet long and weigh around 600 pounds."

"In the United States, bull sharks can be found along the East Coast and in the Gulf of Mexico. They are very aggressive and can also be found in freshwater, which gives them greater access to humans."

One of the most aggressive types of sharks in the world, recorded 333 attacks on humans, with 52 of them fatal. When they see a swimmer or surfer from below, they may not be able to distinguish them from their favorite dish, which is seals.