Gulf of Thailand Marine Life Guide
Around the Koh Tao dive sites and throughout the Gulf of Thailand, there's an amazing variety of marine life to see whilst you're scuba diving, ranging from tiny macroscopic life through to giant whale sharks.
Here's a small selection in our Thailand Marine Life Guide. All the images on this page were photographed on the Koh Tao dive sites.


Left: Batfish at the Tanote Bay catamaran Wreck | Right: Clown Trigger fish, rare around Koh Tao


Left: Long fin Banner-Fish, common to see diving Koh Tao | Right: Hawksbill Turtle @ White Rock dive site


Left: Christmas Tree Worms on a hard coral | Right: Giant Grouper at the Chumphon Pinnacles dive site


Left: White eyed Moray Eels | Right: Varicose wart slug


Left: Stag horn coral at Mango Bay, Koh Tao | Right: Lionfish at the Chumphon Pinnacles


Left: Hermit crab crawling across the sand | Right: Large Jellyfish drifts past the Twins dive site


Left: Porcupine fish | Right: Color changing Cuttlefish


Left: Biggest fish in the sea - a Whale Shark | Right: Yellow Coral during a night dive at White Rock


Left: Ball of fusilier fish off Red Rock, Koh Tao | Right: Banded Sea Snake


Left: Scorpion fish camouflaged against a coral | Right: Nudibranch


Left: Flat worm taking a swim | Right: Remora cleaner fish
The Koh Tao Dive sites are home to masses of diverse Thailand marine life. Whether you want to dive with sharks, turtles, reef fish, stingrays, snakes and moral eels or even whale sharks, Koh Tao has it all.
Plus, if your into underwater photography, there's lots of macro life including nudibranchs, seahorses and sea moths, pipefish and mantis shrimps - and of course, we're always happy for new contributions to our Thailand Marine Life Guide.
If you enjoy diving and are planning travel to Thailand, diving Koh Tao's dive sites means you can see a massive variety of marine life - come and give it a try!



