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Longest-living Animals

Guess which animals can outlive all others, based on the oldest confirmed individual(s).
Largely based on: https://en.wikipedia.org/wiki/List_of_longest-living_organisms.
Some animals have been grouped together and represented by the longest-living species, genus or order, due to the fact that they appear many times on the Wikipedia list.
Both the animal's/group's name or the name of its taxonomic rank (order, family etc) are accepted.
Quiz by MaxStickies
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Last updated: August 10, 2020
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First submittedAugust 10, 2020
Times taken85
Average score26.7%
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Maximum Age
Answer
Potentially immortal
Immortal jellyfish
Potentially immortal
Hydra
Potentially immortal
Planarian (flatworm)
Over 10,000 years
Glass sponge
Around 4,265 years
Black coral
507 years
Ocean quahog
Between 300-500 years
Greenland shark
255 years
Aldabra giant tortoise
Over 250 years
Lamellibrachia luymesi (tube worm)
250 years
Orange roughy
210-250 years
Freshwater pearl mussel
210 years
Warty oreo
205 years
Rougheye rockfish
Over 200 years
Bowhead whale
Over 200 years
Red sea urchin
Maximum Age
Answer
168 years
Pacific geoduck
155 years
European eel
Around 140 years
American lobster
Around 125 years
Sturgeon
122 years
Human
112 years
Bigmouth buffalo
Up to (and possibly over) 100 years
Tuatara
88/89 years
Asian elephant
83 years
Greater flamingo
82 years
Major Mitchell's cockatoo
Over 80 years
American alligator
65-80 years
Killer whale
79 years
Andean condor
At least 66 years
Laysan albatross
62 years
Horse
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