Discover the Marine Life of Koh Chang – A Diver's Underwater Paradise
Koh Chang's marine life is as vibrant and diverse as the island itself. Nestled within the Mu Ko Chang National Park, the coral reefs and underwater ecosystems around the island are home to hundreds of species – from tiny nudibranchs to majestic whale sharks.
Whether you're joining a Fun Dive, completing your Open Water Diver course, or simply snorkeling, the crystal-clear waters of Koh Chang offer unforgettable encounters with tropical marine creatures. Expect to meet colorful reef fish like angelfish, parrotfish, and butterflyfish, alongside fascinating macro life such as seahorses and ghost pipefish. For wreck diving fans, the HTMS Chang is not only Thailand’s largest shipwreck but also a thriving artificial reef where barracudas, giant groupers, and even turtles regularly appear.
Our Marine Life category dives deep into the species you're most likely to encounter while exploring Koh Chang’s dive sites. Learn to recognize different fish families, understand their behaviors, and discover where and when to find them. From elusive octopuses and venomous scorpionfish to eagle rays and schooling fusiliers – each article is packed with insights for nature lovers and underwater photographers alike.
Many of these creatures appear right during your scuba diving courses or day trips. Training dives often double as amazing encounters – spotting clownfish on your first Try Dive, barracudas on your Advanced course, or eagle rays while practicing navigation. That’s what makes learning to dive on Koh Chang so unique: education and adventure go hand in hand.
With warm waters and year-round biodiversity, Koh Chang is the perfect destination to experience Thailand’s marine richness in a relaxed, crowd-free environment. Whether you’re preparing for a dive or just fascinated by ocean life, let this section be your gateway to the wonders beneath the surface.
🌊 Explore, learn, and fall in love with Koh Chang’s underwater world – one dive and one species at a time.
🐟 Barracudas
Learn about Koh Chang's sleek barracudas – species, behavior & best dive spots to see them in action.
🐠 Batfish
Meet the curious batfish of Koh Chang – calm swimmers often found hovering near reefs and wrecks.
🦈 Blacktip Reef Shark
Discover where to see shy but majestic blacktip reef sharks while diving around Koh Chang.
🐌 Nudibranchs
Colorful, tiny, and unique – learn about nudibranchs and where to spot these macro marvels on Koh Chang's reefs.
🐟 Titan-Triggerfish
Titan Triggerfish: bold, territorial, and fascinating. Know how to dive safely around these reef guardians.
🐢 Green Turtle
Swim alongside gentle green turtles. Find out where and when to spot them while diving in Koh Chang.
🐋 Whaleshark
Rare but unforgettable – learn about whale shark sightings and how to increase your chances in Koh Chang.
🐠 Marine life guide
Your complete guide to marine life in Koh Chang – discover species, behaviors & where to encounter them.
