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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.
So 19 teeth a week = 988 teeth a year x 30 years = 29,640 teeth per year. Let's add (48 teeth x 5 rows of development) = 240 currrent teeth. 240 + 29640 = 29880 teeth during a white shark's lifetime! Now that's a sciencey looking number, but it's just a number with very little (if any) scientific basis. Remember this story the next time you see an outragious number in any shark fact.