The green turtle is one of the largest sea turtles and weight on average 80 to 130 kg. Its carapace, made of fused ribs, measures on average 115 cm, but the largest ones can reach a weight of 300 kg for a carapace length of 1,5 m.
Sea turtles are cold blooded animals, belonging to the classification of reptiles, just like snakes, crocodiles or dinausaures!
Frequently asked questions about Green Turtles
Their colour does not easily tell them appart, the green turtle is called this way because of the colour of its flesh but its shell can be black, brown or green.
The edge of their carapace however can tell them appart: the greens have a smooth edge while the hawkbill is more serrated with a saw-like edge.
Young green turtles are mainly carnivorous, consuming small invertebrates and fish eggs. As it grows, it becomes vegetarian and mostly feeds on seagrass. It is believed that its diet is what gives a greenish colour to its flesh.
Their herbivorous diet distinguishes this species from other sea turtles. Hawksbills usually hang out in coral reefs where they feed mostly on sponges. Leatherback turtles are the long distance travelers, being pelagic, they feed exclusively on jellyfish or invertebrates that float offshore.
It is difficult to tell males from female appart when they are young but as they mature, male's tail develop and get much bigger than their female counterparts. This photo shows a friendly adult male green turtle who lives and is often sighted in theSimilan islands.
While females return to the beach to lay eggs, males green sea turtles are never going back on land.
The green turtle reaches sexual maturity after 20 to 50 years!
Males can mate every year but females only mate every 3 to 4 years.
When ready, Green turtle females usually mate with several males before heading to their birth place to lay up to 200 eggs on a quiet night. Mamma green turtle will return to the area where she was born to nest, no matter how far it is but before coming out of the water the place must be quiet and unlit.
1- the sex of the turtle comes from the temperature of the nest. Warmer nest will give more female hatchlings, colder nest will deliver more males!
2- Scientists have demonstrated in lab generated magnetic fields that sea turtles have the ability to detect the Earth's magnetic field and use it as an orientation cue.
3- Green Turtles can cry! Crying doesn't happen when they are sad but help them to clear their eyes from salt build-ups.
Read more fun facts about our Ocean's inhabitants!