Animals Having Longest Lifespans!

  1. Red sea urchins

The Red Sea Urchins are also known as Strongylocentrotus franciscanus. They are native to Pacific Ocean because they are only found in the West Coast of North America, in the Pacific Ocean. It live in rocky, sometimes shallow, water from the low tide to 90 meter down the line, but they mostly stay out of extremely wavy areas. They use their spines as stilts to crawl along the ocean floors. Some of the specimens of red sea urchins are found to live for more than 200 years.

seaurchin-netmarkers

  1. Bowhead whales

Also known as the Arctic whale, the bowhead is by far the longest living mammal on Earth. Some bowhead whales have been found with the tips of ivory spears still lodged in their flesh from failed attempts by whalers 200 years ago. The oldest known bowhead whale was at least 211 years old.

Bowhead_Whale-netmarkers

  1. Koi

Koi are an ornamental, domesticated variety of the common carp. The are common in artificial rock pools and decorative ponds. Amazingly, some varieties are capable of living more than 200 years. The oldest known koi was Hanako, a fish that died at the age of 226 on July 7, 1977.

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  1. Tortoises

Tortoises are considered the longest living vertebrates on Earth. One of their oldest known representatives was Harriet, a Galápagos tortoise that died of heart failure at the age of 175 years in June 2006 at a zoo owned by the late Steve Irwin. Harriet was considered the last living representative of Darwin’s epic voyage on the HMS Beagle. An Aldabra giant tortoise named Adwaita died at the rumored age of 250 in March 2006.

Galapagos-giant-tortoise-netmarkers

  1. Quahog

The ocean quahog (Arctica islandica) is a species of clam that is exploited commercially. Researchers have interpreted the dark concentric rings or bands on the shell as annual marks, much like a tree has rings. Some collected specimens have been calculated to be more than 400 years old.

ocean_quahog-netmarkers

  1. Antarctic sponge

The Antarctic sponge has an extremely slow growth rate, because of the extremely low temperature. This immobile creature sometimes estimate the oldest known specimens which are 1,550 years old.

antarcticsponge-netmarkers

  1. Turritopsis nutricula jellyfish

This species of jellyfish might be the only animal in the world to have truly discovered the fountain of youth. Since it is capable of cycling from a mature adult stage to an immature polyp stage and back again, there may be no natural limit to its life span. Because they are able to bypass death, the number of individuals is spiking. “We are looking at a worldwide silent invasion,” says Dr. Maria Miglietta of the Smithsonian Tropical Marine Institute.

turritopsisjellyfish-netmarkers

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