The longest-living animals can survive for centuries and millennia, even pausing the aging process altogether.

Here are the longest-living animals in the world:

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ROUGHEYE ROCKFISH: 200+ YEARS OLD

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GREENLAND SHARK: 272+ YEARS OLD

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BLACK CORAL: 4,000+ YEARS OLD

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GLASS SPONGE: 10,000+ YEARS OLD

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HYDRA: POTENTIALLY IMMORTAL

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TURRITOPSIS DOHRNII: POTENTIALLY IMMORTAL

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