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[Amitkumar]

Quahog: 410-years-old
Another seafood delicacy sets a record in the animal kingdom.
In 2007, a specimen of clam was plucked off the coast of Iceland.
By drilling through its cockle shell and counting each ring, the Arctica Islandica
was claimed to be the longest-living animal species ever recorded by researchers
at Bangor University.
Nicknamed Ming after the Chinese dynasty that ruled when the clam was born and
its Siamese-like appearance, the clam was estimated to be aged between
405 and 410-years-old.
Unfortunately, poor Ming died as it was being assessed by researchers.

[Amitkumar]

  Antarctic sponge: 1550-years-old
One specimen of this slow-growing Antarctic Ocean dweller is estimated to be
over 1550-years-old.
To put it in perspective, the specimen could have been living in 461AD – the same year
that on March 17th St Patrick died.

Though it may look more like a plant as it is immobile, scientists do class this sponge
as a living creature with its lack of exertion and extremely slow growth contributing to its
scarily long life span.

[Amitkumar]

Turriptosis Nutricula: Immortal
This remarkable jellyfish-like creature tops our list as the world’s oldest living creature
in terms of having no natural limit to its life span.
The unique species is considered to be the world’s only biologically immortal animal,
according to marine biologists at the Smithsonian Tropical Marine Institute in Florida.

A native to the warm salt waters of the Caribbean seas, the animal has been spotted
far from its home in Spain, Italy, Japan, and the Atlantic side of Panama in recent times as it is
thought they are silently invading the oceans by attaching themselves to ballast water tanks of ships.
So what is its secret to anti-aging?

The tiny transparent sea creature, which is about the size of a fingernail,
can regenerate its entire body over and over again through a process called
transdifferentiation as it is able to turn one type of cell into another.