Most sharks live from 20 to 30 years.
The life span of the great white shark is still unknown. Some scientist think that it could be up to 40 years, but it has not been proved.
The tiger shark could be between 12 and 30 years.
Some well known shark species like the mako shark, the lemon shark and the bull shark are still unknown.
The whale shark can live up to 70-100 years.
The nurse shark can live about 25 years in captivity.
Scientifically there is no way to determine the age and life span of sharks.
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