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Top 10 longest-living creatures on the planet

There are many species in the animal kingdom on Earth, and their lifespan is impressive, even exceeding the average lifespan of humans. Although humans can only live to the absolute limit of 150 years, some animals can even completely prevent or reverse the aging process and achieve astonishing life expectancy.

1. Bowhead whale

The bowhead whale (Balaena mysticetus) is believed to be the longest-living mammal on Earth. Although their exact lifespan cannot be confirmed, evidence found in some individuals suggests the animals can live more than 200 years, according to the National Oceanic and Atmospheric Administration ( NOAA).
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2. Rougheye fighting fish

Rougheye fighting fish (Sebastes aleutianus) is one of the longest living fish species and has a maximum lifespan of about 205 years. These pink fish mainly live in the Pacific Ocean, and are facing threat due to shrinking habitat.
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3. Freshwater mussels

Freshwater pearl mussels (Margaritifera margaritifera) are aquatic amphibious molluscs, mainly living in rivers and streams. They have a long lifespan thanks to their low metabolism. The oldest known freshwater mussel is 280 years old, according to the World Wildlife Fund (WWF).
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4. Greenland shark

Greenland sharks (Somniosus microcephalus) live deep in the Arctic and North Atlantic oceans. They are the longest-living vertebrates on Earth, reaching a maximum lifespan of 272 years, according to a 2016 scientific study. However, there is also much evidence that they can live up to 392 years, or even 512 years.
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5. Tube worms

Tubeworms (Escarpia laminata) are invertebrates with incredible longevity in the cold, stable environment of the deep sea. According to a 2017 study, this species can live up to 200 years, and even 300 years.
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6. Ocean clams

Ocean clams (Arctica islandica) living in the North Atlantic can live longer than freshwater clams. In 2006, a clam found off the coast of Iceland was believed to have lived up to 507 years, according to the National Museum of Wales.
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7. Black coral

Coral exists in the form of small polyps, similar to sea anemones. These polyps constantly reproduce and self replace by producing identical copies of genes. This allows them to survive for thousands of years or even longer.
In 2009, a scientific report found that black coral samples off the coast of Hawaii have a history of 4265 years.
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8. Sponges

Sponges are animals that belong to the foraminifera, and have a simple structure, excluding the nervous, digestive and circulatory systems. Instead, these individuals just maintain a constant flow through their bodies to get food and oxygen and eliminate waste. In 2012, an individual glass sponge belonging to the Monorhaphis chuni family was found to be about 11,000 years old.
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9. Immortal jellyfish

Immortal jellyfish (Turritopsis dohrnii) have a special body, helping them "eternal age" in all living conditions. However, due to its very small size, this jellyfish easily becomes food for other animals, thereby preventing them from achieving immortality.
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10. Hydra

Hydra are a group of small, soft-bodied invertebrates that look a bit like jellyfish. These invertebrates are largely made up of stem cells, and continuously reproduce through cloning. Like Turritopsis dohrnii, they also have the ability to grow indefinitely, thanks to eliminating the aging mechanism.
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