What are the main enemies of sharks?

Hands down - HUMANS! We kill 11000 sharks every hour for their fins, fear, and otherwise useless reasons. They're dinosaurs that have survived over 400 million years and they may be wiped out by human hubris, misinformation, and fear. read more

Sharks are extremely important to the ecosystem. In fact, without sharks, the food chain would drastically change. Since sharks are at the top of the ocean's food chain, they are necessary for keeping the predators of other species in check. Without sharks, the population of other fish and mammals could easily get out of control. read more

Humans are known predators of sharks most commonly included in the diets of Asian cultures. i.e. shark fin soup. There are many types of small sharks that are no doubt part of the diet of other predatory animals in the ocean. read more