Quick answer
Green Sea Turtles (Chelonia mydas) typically live around 70–80+ years. Wild averages fall when predation, disease, or habitat loss rise; managed populations can live longer with stable food and veterinary care.
Key takeaway
Green Sea Turtles (Chelonia mydas) typically live around 70–80+ years. Wild averages fall when predation, disease, or habitat loss rise; managed populations can live longer with stable food and veterinary care.
Green Sea Turtle lifespan in the wild
Field and museum records place most green sea turtles near 70–80+ years. That figure blends ages at death across regions, so treat it as a planning range. Body size (Up to 160 kg (350 lb)) and risk lifestyle both shape the average.
What shortens green sea turtle lives
Predation, infectious disease, injury, food shortages, and habitat fragmentation cut survival. Roadkill and human conflict matter wherever green sea turtles share landscapes with people.
What helps green sea turtles live longer
Connected habitat, low chronic stress, and reliable food support longevity. For captive or domestic relatives, species-correct diet and veterinary screening matter more than generic “pet” advice.
Green Sea Turtle life stages
Juveniles usually face higher mortality than prime adults. Older animals may move less, show dental wear, or lose body condition — useful signs when ageing green sea turtles in the field.
Habitat and range
Green sea turtles live in tropical and subtropical waters around the world, favoring shallow coastal areas with seagrass beds and coral reefs. They come ashore only to nest, with females digging nests on sandy beaches at night.
Conservation
Green sea turtles are listed as Endangered. They face threats from hunting, egg collection, accidental capture in fishing gear, plastic pollution, and the loss of nesting beaches to coastal development and rising seas. Protected nesting sites and fishing regulations are helping some populations recover.
Sources
Green Sea Turtle FAQs
How long do green sea turtles live?
Green Sea Turtles (Chelonia mydas) typically live around 70–80+ years. Wild averages fall when predation, disease, or habitat loss rise; managed populations can live longer with stable food and veterinary care.
What is the scientific name of the green sea turtle?
Chelonia mydas — used in research and conservation listings for green sea turtles.
What do green sea turtles eat?
Green Sea Turtles eat seagrass, algae, with seasonal and regional variation in Tropical and subtropical coastal seas.
Where do green sea turtles live?
They are associated with Tropical and subtropical coastal seas. Local presence depends on food, cover, and human land use.
What is the conservation status of green sea turtles?
Listed in our guides as Endangered. Check the IUCN Red List and national assessments for the latest formal category.