Top 7 Longest Living Animals on Earth

Immortal Jelly Fish

In 1988 a jellyfish that never truly dies was discovered by Christian Sommer, a German marine-biology student. The jellyfish recycles itself, “aging” backward from the adult stage to an immature polyp stage repeatedly. It can be likened to an older man who grows younger and younger until he is again a fetus. For this reason, Turritopsis dohrnii is often referred to as the Benjamin Button jellyfish. The jellyfish are biologically immortal, but they don’t live forever and get injured and eaten just like other animals in practice.

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