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How old are the

oldest animals?

Ocean quahog clams are known to live
for more than 500 years. Scientists think
some sponges may live even longer.

ANCIENT SPONGES Ocean
quahogs can
It is difficult to identify live nearly
the age of a sponge, 6 times longer
but Caribbean giant than Asian
barrel sponges (left) elephants.
have very long lives;
one is believed to be
2,300 years old. Some
Antarctic glass sponges Human
may live for more than 122 years
10,000 years.
Rougheye
rockfish
140–200 years
Most humans don’t
live 122 years, but
there is a verified case
Asian elephant of a woman who did.
86 years
Olm Tuatara
(a cave 111 years
salamander)
100 years

US_132_133_309600_ICBT_Oldest_Animal.indd 132 19/12/17 2:36 pm