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  2. Green Turtle

Green Turtle (Chelonia mydas)

Reptiles · Testudines · Cheloniidae

Green Turtle

Chelonia mydas

Endangered

At very high risk of extinction in the wild in the near future.

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As an adult it feeds mainly on seagrass and algae, after an omnivorous juvenile phase. Females return to nest on the very beach where they hatched, sometimes after migrations of thousands of kilometres.

Weight

65 kg – 160 kg

Size

1 m – 1.5 m

Life expectancy

70 years

Diet

Herbivore

Feeds mainly on plants.

Activity

Irregular activity

Active at irregular times, by day or night depending on circumstances.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Ocean
150countries68parks400dive sites5same family2natural phenomena6featured routes

AI-generated images: illustrations, not photographs.

Fun facts

  • Fewer than 1 in 1,000 hatchlings reaches adulthood.
  • A female can lay between 75 and 200 eggs per clutch, with up to 9 clutches in a season.
  • It returns to nest on the very beach where it hatched, a phenomenon known as natal philopatry.
  • comportamientoFemales return to lay their eggs on the same beach where they hatched decades earlier, guided by a magnetic sense that detects the Earth's geomagnetic field.

Life cycle and biology

Skeleton type
Vertebrate - bony skeleton with a shell fused to the spine and ribs (reptile)
Habitat and environment
Tropical and subtropical coastal waters worldwide; nests on sandy beaches
Birth weight
~25 - 26 grams at hatching
Size at birth
~5 cm of carapace length at hatching
Sexual maturity
Extremely variable: between 20 and 50 years depending on the population (some recent studies suggest 25-35 years in females)
Gestation / incubation
45-75 days of incubation
Litter / clutch size
75 to 200 eggs per clutch; 1 to 9 clutches per nesting season

Sources consulted: NOAA Fisheries · Animal Diversity Web · Upwell.org · CMS (Convention on Migratory Species) · National Park Service · NatureServe/USFWS ECOS

Where to find it

Loading map…

Where to see it

Parks and dive sites where this species has been documented — showing 20 of 468.

Related species

Other species in the catalogue with the most in common with Green Turtle — same habitat, park, country, tags or family.

Same taxonomic family
Same taxonomic family
Same taxonomic family
Same taxonomic family
Shares a park
Shares a park

How to help

The green turtle is classified as endangered. Organisations such as the IUCN, WWF and the Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programmes is a good starting point if you want to get involved.

It's documented in 14 protected areas — one reason why protecting these places matters for its conservation.

Related guides

Keep exploring

Based on what we already know about green turtle.

Share an experience, a fun fact or a tip for seeing the green turtle.
Species
One of the 41 turtles and tortoises on WAnimals
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The pins mark the parks and dive sites where its presence is documented.

See its range on the interactive map→
KomodoIndonesia
Galápagos National ParkEcuador
Hawaii VolcanoesUnited States
Sian Ka'anMexico
Revillagigedo ArchipelagoMexico
TortugueroCosta Rica
Cocos IslandCosta Rica
Bacalar ChicoBelize
JaraguaDominican Republic
Virgin Islands (St John)U.S. Virgin Islands
Blue Hole DahabEgypt
Ras Mohammed National ParkEgypt
Thistlegorm wreckEgypt
Elphinstone ReefEgypt
Brothers Islands (El Akhawein)Egypt
Sha'ab Rumi (Cousteau)Sudan
Eilat Coral ReserveIsrael
Aqaba Marine ParkJordan
Musandam PeninsulaOman
Daymaniyat IslandsOman
See all 68 parks
See all 400 dive sites
Data Deficient

Flatback

Natator depressus

Kemp's RidleyCritically Endangered

Kemp's Ridley

Lepidochelys kempii

Loggerhead TurtleVulnerable

Loggerhead Turtle

Caretta caretta

Hawksbill TurtleCritically Endangered

Hawksbill Turtle

Eretmochelys imbricata

Whale SharkEndangered

Whale Shark

Rhincodon typus

Blue WhaleEndangered

Blue Whale

Balaenoptera musculus

Where to see Green Turtle in Indonesia22 places
Where to see Green Turtle in the United States14 places
CountriesIndonesia
ParksKomodoIndonesia
TagsHerbivore
Herbivore
Variable activity
Solitary
Endangered
Reptile
Ocean

Africa36

North America35

Asia34

Oceania21

Europe16

South America8

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United States
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