15 Creatures That Live the Longest and Their Secrets to Longevity

Bowhead Whale

Have you ever wondered which animals live the longest and what their secrets are to a long life? From giant tortoises to tiny hydras, these 15 animals have mastered the art of longevity. Let’s explore their fascinating lives and discover what we can learn from them.

1. Greenland Shark

Greenland shark
Image Credit: Canva.

Greenland sharks are the longest-living vertebrates on Earth, with some individuals estimated to be over 400 years old. These slow-moving giants live in the cold, deep waters of the Arctic and North Atlantic, where their slow metabolism and low body temperature contribute to their incredible longevity.

2. Aldabra Giant Tortoise

Aldabra giant tortoise
Image Credit: scrisman via Canva.

Aldabra giant tortoises can live up to 150 years or more. These gentle giants from the Aldabra Atoll in the Seychelles have a slow metabolism, a plant-based diet, and a stress-free lifestyle, which all contribute to their long lifespan.

3. Bowhead Whale

Bowhead Whale
Image Credit: Shutterstock.

Bowhead whales can live for over 200 years, making them one of the longest-living mammals on Earth. Their longevity is attributed to their slow metabolism, low body temperature, and ability to store large amounts of energy in their blubber.

4. Rougheye Rockfish

Rougheye Rockfish
Image Credit: Wirestock via Canva.

Rougheye rockfish can live up to 200 years old. These deep-sea fish have a slow growth rate, low metabolism, and live in cold, stable environments, which all contribute to their longevity.

5. Hydra

Green hydras
Image Credit: Canva.

Hydras are tiny freshwater animals that are biologically immortal. They have an incredible ability to regenerate their cells and tissues, which allows them to continuously renew their bodies and avoid the effects of aging.

6. Galapagos Giant Tortoise

Galapagos-Giant-Tortoise
Image Credit: Shutterstock.

Galapagos giant tortoises can live up to 150 years or more. These majestic creatures have a slow metabolism, a plant-based diet, and live in a stable, protected environment, which all contribute to their long lifespan.

7. Longfin Eel

Longfin Eel
Image Credit: Goddard via Canva.

Longfin eels can live up to 100 years old. These mysterious creatures spend most of their lives in freshwater rivers and lakes before migrating to the ocean to spawn and die.

8. Koi Fish

 Koi Fish
Image Credit: MCCAIG via Canva.

Koi fish can live up to 200 years old, although most live between 25-50 years. These colorful fish are known for their hardiness and ability to adapt to different environments, which contributes to their longevity.

9. Red Sea Urchin

 Red Sea Urchin
Image Credit: naturediver via Canva.

Red sea urchins can live for over 200 years. These spiny creatures have a unique ability to regenerate damaged or lost body parts, which helps them maintain their health and longevity.

10. Tuatara

Tuatara
Image Credit: MollyNZ via Canva.

Tuataras are reptiles that can live up to 100 years or more. These living fossils have a slow metabolism, low body temperature, and live in a stable environment, which all contribute to their long lifespan.

11. Ocean Quahog

Ocean Quahog
Image Credit: ineb1599 via Canva.

Ocean quahogs are bivalve mollusks that can live for over 500 years. These filter feeders live in the cold, deep waters of the North Atlantic and have a slow metabolism and low energy requirements, which contribute to their incredible longevity.

12. Macaw

Scarlet Macaw
Image Credit: Shutterstock.

Macaws are large, colorful parrots that can live up to 50-100 years in captivity. These intelligent birds have a diet rich in fruits and nuts, and they form strong social bonds with their mates and family members, which may contribute to their longevity.

13. Geoduck

Geoducks
Image Credit: Kameleon007 via Canva.

Geoducks are large saltwater clams that can live for over 140 years. These bizarre-looking creatures live buried in the sand and have a slow metabolism and low energy requirements, which contribute to their long lifespan.

14. Lake Sturgeon

Lake sturgeon
Image Credit: cezars via Canva.

Lake sturgeons can live for over 150 years. These ancient fish have a slow growth rate, low metabolism, and live in the cold, deep waters of North American lakes and rivers, which all contribute to their longevity.

15. Immortal Jellyfish

Immortal Jellyfish
Image Credit: Shutterstock.

The immortal jellyfish (Turritopsis dohrnii) is a small, transparent jellyfish that has the ability to reverse its aging process and revert to its juvenile stage. This unique ability allows the immortal jellyfish to potentially live forever, making it one of the most fascinating creatures on Earth.

+ posts

Becky is a fervent wildlife enthusiast and pet care expert with a diploma in canine nutrition. Her love for animals stretches beyond the domestic, embracing the wild tapestry of global fauna. With over a decade of experience in animal welfare, Becky lends her expertise to OutlandishOwl through insightful articles, captivating wildlife information, and invaluable guidance on pet nutrition. Her work embodies a deep commitment to understanding the intricate lives of animals and a passion for educating others on sustaining natural habitats. Becky's hands-on conservation efforts and her knack for translating complex dietary science into practical pet feeding tips make her an indispensable voice for creatures great and small.

Sharing is caring!

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top