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.

Gulf of Thailand marine lifeThailand marine life guide

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

Long fin banner fish diving Koh TaoHawkbill turtle diving Koh Tao

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

Christmas Tree WormsGiant grouper at Koh Tao's Chumphon Pinnacles

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

White eyed moral eelsVaricose wart slug diving Koh Tao Thailand

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

Staghorn coral Thailand marine life guideLion-fish diving Koh Tao

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

Hermit crabJelly fish in Thailand

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

Koh Tao diving with a porcupine fishCuttle fish

Left: Porcupine fish | Right: Color changing Cuttlefish

Whale Shark Koh Tao ThailandYellow coral at White Rock dive site KohTao

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

Fusilier fishBanded sea snake

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

Bearded scorpion fishNudibranch

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

Flat WormRemora fish

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!