Green Sea Turtle in Koh Chang – Life, Diet & Best Dive Sites
The Green Sea Turtle (Chelonia mydas) is one of the most fascinating marine creatures frequently spotted in Koh Chang >. The best places to see them include HTMS Chang Wreck, Hin Raab South, Blueberry Hill, and Hin Sam Sao.
1. Characteristics & Biology
- Scientific Name: Chelonia mydas
- Size: Up to 1.5 meters in shell length
- Weight: Between 100 and 180 kg
- Lifespan: Up to 80 years
This unique combination of marine life and sunken history makes the dive site truly special.
2. Habitat & Behavior
Green Sea Turtles thrive in seagrass beds and coral reefs. They are often spotted at:
- HTMS Chang Wreck – Turtles resting on decks
- Hin Raab South – Coral gardens
- Blueberry Hill – High biodiversity area
- Hin Sam Sao – Best sightings in early mornings
3. Diet & Feeding Habits
Green Sea Turtles are primarily herbivores. Their diet includes:
- Seagrass
- Algae
- Occasionally jellyfish or small fish
4. Threats & Conservation
Green Sea Turtles are threatened due to:
- Plastic pollution
- Entanglement in fishing nets
- Climate change affecting their nesting sites
How can you help? Practice responsible diving!
5. Best Places in Koh Chang to Spot Turtles
| Dive Site | Special Features |
|---|---|
| HTMS Chang Wreck | Turtles resting on decks, often in 18–25 m depth |
| Hin Raab South | Shallow coral gardens with seagrass |
| Blueberry Hill | Small site but high turtle density |
| Hin Sam Sao | Best sightings in the early morning |
