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Joe Chernov and Robin Richards have created an infographic that illustrates the staggering number of sharks killed by humans every year. According to the infographic, sharks killed 12 people last year, but humans kill that many sharks every four seconds, adding up to an estimated total of 100 million sharks annually. Many sharks are killed by 'finning,' a process in which a shark's fins are cut off to be sold for shark fin soup.
Aggressive overfishing threatens to push some shark species to extinction, and a new study puts annual shark deaths at 100 million. Our analysis shows that about one in 15 sharks gets killed by fisheries every year, study leader Boris Worm, a professor of biology at Canada's Dalhousie University, said in a statement. With an increasing demand for their fins, sharks are more vulnerable today than ever before.. Based on available data for shark deaths and estimates of unreported illegal catches, the researchers estimated that 100 million sharks were killed in 2000 and 97 million in 2010.