Sea Turtles In Phuket

Sea Turtles In Phuket

Meet Sea Turtles In Phuket

Turtles are endearing creatures and we’re lucky enough to find plenty around Phuket. Their slow movements, tolerance for divers and wisened features make them a firm favourite with divers all over the world. We mostly get hawksbill turtles around Phuket but we also get green, loggerhead, olive ridley and the biggest of all the seven species – the giant leatherback. Unfortunately all are endangered thanks to us… Plastic pollution, destruction of feeding grounds and development on nesting beaches all take their toll. It’s not all bad news for turtles though. After many years of protection some species have slightly increased in numbers.

We have to hope that sea turtles survive us, after all they’ve been on this planet for over 100 million years. Some species live to over 100 years old so conceivably there’s turtles around Phuket who’ve met the great Jacques Cousteau underwater, would explain the distinctly unimpressed look they give us.

Hawksbill Turtles (Eretmochelys imbricata)

So called because of their narrow pointed beak are by far the most common sea turtles in Phuket. In fact if you dive at the aptly named Turtle Rock you’re almost guaranteed an encounter with these wonderful creatures. They can turn up anywhere and offhand I can’t think of a dive site where I haven’t seen at least one.

Hawksbill turtles were and still are to a lesser extent today hunted for their shells. If you see ornaments or jewellery in a market labelled as tortoiseshell then it’s most probably from a hawksbill so don’t buy. Surprising really, hawksbills quite often look a bit shabby. The overlapping scales allow algae to grow giving them a slightly fuzzy look.

Hawksbills feed mainly on sponges and anemones, the narrow beak allowing them access to food hidden amongst the coral. They can look like eco vandals as they tear apart the coral to get to food but it’s all a natural process. They’ll also feed on jellyfish and unfortunately sometimes ingest plastic bags by mistake.

hawksbill turtle feeding on jellyfish

hawksbill turtle feeding on jellyfish

They’re not one of the larger turtles, growing to around 1m in length and 70kg in weight. There’s a huge specimen that lives at Koh Doc Mai that really stretches those limits and must be extremely old.

Hawksbiil turtles are super efficient at nesting. The female can dig the nest and lay her in eggs faster than any other species, in as little as 45 minutes!

Green Turtles (Chelonia mydas)

Relatively rare sightings around Phuket. Green turtles can be spotted at Kata Beach and begging for bananas at the back of Similan Island liveaboards. They’re named green turtles not because their environmentally friendly sentiments but due to their green fat and cartilage. Once considered a delicacy in many cultures, fortunately attitudes were changed in the 1960’s and so many stopped eating green turtles at ceremonies. Tiger sharks don’t care though and continue to be the nemesis of adult green turtles.

green turtle chilling on the reef

green turtle chilling on the reef

You could also say it’s fortunate for humans, mass poisoning is not unheard of at ceremonies. Entire villages have been known to get critically ill and young children and the elderly have died. The chelonitoxism that causes the illness is not a new phenomenon, villagers have a rather unsavoury way of testing the meat. They will first feed the turtle flesh to cats or dogs to see if the meat is healthy. The toxin is fatal to both cats and dogs…

Green turtles are one of the largest turtles and can grow to 1.5m and reach a weight of 300kg. The diet changes throughout their lifecycle, adults feed on seagrass beds and are the only herbivorous species of the seven. Ecologically very important, grazing on seagrass beds keeps the plants healthy and provides cover for juveniles of many marine species.

How To Tell The Difference

To the trained eye it’s quite easy but occasionally it can be difficult:

Hawksbill Turtle
Narrow pointed beak
Serrated edge to the shell
Four prefrontal scales
Shabby looking
Vandalises coral gardens

Green Turtle
Short, rounded beak
Smooth edged, heart shaped shell
Two prefrontal scales
Grazes on seagrass beds
Murders pets

For a definitive answer the prefrontal scales in between the eyes are a sure difference. In the below image, on the left the green turtles scales are circled, on the right is the hawksbill.

the difference between green and hawksbill turtles

the difference between green and hawksbill turtles

The Best Of The Rest

In truth we rarely if ever see the other species when scuba diving. We know both olive ridley and leatherback turtles nest around Phuket. Olive ridley we do see quite a bit but unfortunately in rescue centre’s, for some reason they’re the species most prone to get tangled in fishing nets especially during our green season (May – October). Every year there’s a turtle releasing ceremony at the Marriott in Mai Khao to return injured or young olive ridleys back to the wild.

Leatherbacks have been causing quite a stir as of late. These huge and largest of all turtles have been nesting again on the beaches around Phuket. Not in great numbers but it’s still a very welcome sight. The Thai authorities have been making great efforts to protect the nests, offering significant rewards for nest sightings. CCTV and barriers have been set up around nests or they’ve been completely moved to safe areas. Well done Thailand! Unfortunately one nest was raided before the authorities got there, unscrupulous egg thieves took every egg. A reward or effectively a bounty has been put on their heads and so we hope to to see the culprits found soon.

Join Us!

If you want to see turtles then you need the best guides and Local Thailand has them in abundance. By far the best opportunity to dive with turtles is the Phi Phi/Shark point trip every Sunday and Wednesday. They can turn up at any dive site so if they’re there we’ll find them!

Contact Us Now To See Thailand’s Sea Turtles!

By Justin Hartrey

I've been enjoying the incredible marine life in our oceans for over 25 years. 13 years ago I became a PADI professional, hoping to introduce as many people as possible to the incredible beauty of the seas.

Having been fortunate enough to dive all over south east and especially Thailand, I enjoy sharing my experience and passion on this blog.

Posted in Rare & Peculiar Critters on .

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