Barracudas in Koh Chang – Species, Behavior & Best Dive Sites

Barracudas are fast, elegant predators frequently spotted in the tropical waters of Koh Chang. With their streamlined bodies and lightning-fast strikes, they are among the most exciting fish divers can encounter. Koh Chang is home to three Barracuda species that are commonly seen:

1. The Three Barracuda Species in Koh Chang

🐟 Great Barracuda (Sphyraena barracuda)

• Size: Can grow up to 2 meters and weigh over 50 kg.
• Appearance: Large, powerful body structure, dark back, silver sides with dark spots.
• Behavior: Mostly solitary, patrolling near reefs or in open water.
• Diet: Hunts smaller fish and squid with rapid attacks.
• Where to find: Commonly seen at Hin Luk Bat and the HTMS Chang Wreck.

🐟 Yellowtail Barracuda (Sphyraena flavicauda)

• Size: Grows up to 1.4 meters, but has a more slender body than the Great Barracuda.
• Appearance: Long, slender body with a yellow tail and thin dark stripes along its sides.
• Behavior: Often found in schools of 10-50 individuals, preferring currents.
• Diet: Feeds mainly on small fish and crustaceans.
• Where to find: Frequently seen in strong current areas like Hin Raab South.

🐟 Chevron Barracuda (Sphyraena putnamiae)

• Size: Typically 60-70 cm, but can reach up to 80 cm.
• Appearance: Silver body with distinctive V-shaped dark markings along its sides.
• Behavior: Forms large, dense schools of hundreds of individuals.
• Diet: Hunts small fish in coordinated group attacks.
• Where to find: Especially abundant at Blueberry Hill and the HTMS Chang Wreck.

2. Behavior & Hunting Strategy

Barracudas are highly skilled predators that rely on their speed and razor-sharp teeth to catch prey. They often remain motionless in the water before launching a sudden attack.

Why do Barracudas follow divers?
Sometimes, barracudas appear to follow divers. This is usually out of curiosity or because they expect divers to disturb prey.

Are Barracudas dangerous?
Despite their fierce appearance, they are not dangerous to humans. They only attack if provoked – usually in response to spearfishing.

3. Best Dive Sites to See Barracudas in Koh Chang

The best dive sites in Koh Chang for Barracuda sightings depend on the species.

4. Conclusion – Why You Should See Barracudas in Koh Chang

Barracudas are among the most spectacular fish you can see in Koh Chang. Whether in massive schools or as impressive solitary hunters, they are a must-see for every diver.

Learn more about marine life in Koh Chang or book your dive trip now!