What attacks shark?

Answer 1

great whites
any shark will attack a person of it smells blood so if your at the beach don't get in the water if you have a little cut that is blooding sharks can smell blood 100 miles away
It depends on things you are doing, say you are Surfing sharks think that the surf board is a seal so they attack it (that is manly great whites though tiger sharks do too). Getting attacked by a shark and getting killed by a shark are both very unlikely. Say you get attacked by a great white they do not like the taste of human meat so after they take some part of you they are likely to leave you alone, if you get attacked by a tiger shark you are likely to be killed, but the chances of getting killed by a shark is 1 in 123,223 and the chances of getting killed by a dog is 1 in 1,023.
the three main types of sharks to attack humans are the

Great white

tiger shark

bull shark

but some smaller sharks like grey reef sharks and copper sharks may attack humans. Hammerhead sharks, mako sharks, oceanic whitetip sharks, galapgos sharks, sand tiger sharks, black tip sharks, silver tip sharks, blue sharks, reef sharks, porbeagle sharks, spinner sharks, sandbar sharks are all also known to have attacked humans.

Answer 2

killer whales