Sometimes.most of the time some sharks will attack for no reason .they like to feed on blood by other organisms.other times sharks will mistake us for fish and kill or eat people.
No we kill them
they can kill humans but sometimes they do
There are only two animals that threaten the great white shark, killer whales because they eat sharks and humans because we kill the with fishing nets by accident.
Sharks aren't normally prey, but things that will kill a shark are humans and other sharks.
All sharks
Sharks kill an average of about 4 people each year.
Humans sometimes kill them
They Eat fish and kill humans in austrailia
Tiger sharks are very aggessive, and have been implicated on many attacks on humans.
Of course they can kill each other. Humans and sharks are enemies.
Many sharks attack humans, but the big three are the bull shark, tiger shark, and great white shark.
Sharks. Sharks kill most people!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!! Edit: It is NOT sharks. In 2009, humans killed many millions of sharks, perhaps 100 million. There were 5 known fatal attacks by sharks on humans. Dogs, elephants and hippopotami, among others, kill more humans than sharks. Humans also suffer fatal snake bites every year. Anfd if you include killing by spreading disease, you'd have to include the mosquito, which infects humans with malaria, killing thousands.