Freshwater pearl mussel 250 years old freshwater pearl mussels margaritifera margaritifera filter food particles from water found in rivers and streams in europe and north america they can live up to 280 years thanks to their low metabolism
Greenland shark 272 years old greenland sharks somniosus microcephalus inhabit the arctic and north atlantic reaching up to 24 feet these sharks have diverse diets including fish and seals and can live for over 272 years
Tubeworm 300 years old tubeworms thrive in the cold stable deep sea escarpia laminata found in the gulf of mexico can live over 300 years their long lifespan is due to low death rates and few predators
Ocean quahog clam 500 years old ocean quahog clams arctica islandica live in the north atlantic one clam found off iceland was 507 years old nicknamed ming as it was born during chinas ming dynasty 13681644
Black coral 4000 years old black corals made of polyps exoskeletons multiply and replace themselves creating large structures over time this process allows black corals to live for over 4000 years
Glass sponge 10000 years old glass sponges found in the deep ocean have skeletons resembling glass one species monorhaphis chuni was estimated to be about 11000 years old making glass sponges some of the longestliving organisms
Turritopsis dohrnii potentially immortal turritopsis dohrnii the immortal jellyfish can revert to its polyp stage when damaged or starving this unique ability allows them to potentially live forever cycling between polyp and jellyfish stages
Hydra also potentially immortal hydras are small invertebrates with the potential for immortality made largely of stem cells they continually regenerate
