The lifespan of mammals is about 1 and a half billion heartbeats.
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A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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The oldest living person smoked cigarettes from the age of 21 to 117.
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The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
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According to official documents, Luo Meizhen was born in 1885, which would make her 127 years old when she died in 2013 and the oldest person ever to have lived.
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