Currently, the average human life expectancy falls between 50 and 80 years. While this is actually a pretty long life compared to most of the rest of the animals in the world, there are a handful of creatures that live much longer than any human being.

Giant Tortoise
Giant Tortoise
Who ever said that being over 600 pounds is unhealthy? The giant tortoise, which have been known to weigh up to 660 pounds, has an average lifespan of 100+ years. There must be something we don't know about in the waters of Galapagos!
Antarctic Sponge
Antarctic Sponge
The Antarctic sponge must be the luckiest creature on the planet earth. That is because it has no protective shell, lives in the ocean full of predators, and yet still can survive for 1,500 years! These living magic tricks are known to live miles below the surface of the ocean.
Radiated Tortoise
Radiated Tortoise
Native to the African island of Madagascar, the radiated tortoise has been known to live up to 188 years. Being an herbivore, these ancient creatures have an appetite for cacti. Currently, radiated tortoises are on the critically endangered list.
Red Sea Urchin
Red Sea Urchin
Normally residing in rocky, semi-shallow water to help camouflage it from predators, the red sea urchin has an odd lifespan. It is said that they can be expected to live past 30, yet some have been known to live for 200+ years. Though one might assume the spikes on it's body are more than enough to create damage, these animals also have 5 teeth on it's underside.
Geoducks
Geoducks
Not a duck like "quack" but more of a duck like...clam! That's right, the geoduck is a species of clam. And not just a regular clam. The geoduck can grow to be up to 6.5 feet in length. These northwest Canadian and American natives have been known to live up to 168 years!
Tuatara
Tuatara
Native to New Zealand, the tuatara is a lizard which resembles a miniature dinosaur. Fully equipped with night vision, these animals can live to be over 100 years old. To some natives, the tuatara is held to as ariki (God form).
Lamellibrachia Tube Worms
Lamellibrachia Tube Worms
In the depths of the northern Gulf of Mexico resides a giant type of worm that reaches lengths of over 10 feet. That's pretty much a lifetime supply of fishing bait! The lamellibrachia can live for over 250 years.
Koi Fish
Koi Fish
Found all over the world's freshwater supply, koi fish come in over 20 varieties. The oldest was recorded to be 225 years old! The long life expectancy can be attributed to the koi's ability to fight off parasites, given optimal health conditions.
Ocean Quahog
Ocean Quahog
The longest reported age of an ocean quahog is 507 years. These tasty clams can be found in the North Atlantic Ocean. Studies show that these sea creatures finally stop growing at the age of 150!
Bowhead Whale
Bowhead Whale
It must be the 14 month long pregnancy that prepares the bowhead whale for a long life. Recent data and studies suggest that these monstrous creatures can live to be 150+ years old. There was even one claim that there was a female bowhead whale that was still fertile at the age of 90!
Turritopsis Nutricula Jellyfish
Turritopsis Nutricula Jellyfish
Also known as the immortal jellyfish, the turritopsis nutricula jellyfish is said to be able to live forever. Yes, forever. This is because of complex regeneration cycle that it undergoes. When the medusa of the jellyfish dies it reverts back to it's original state as a polyp colony. This circle of life goes on and on until a predator will eat it.

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