Back to libraryHighly Dangerous
marine
Box Jellyfish
Chironex spp.
Venomous
Description
Nearly invisible cube-shaped bell with long trailing tentacles. Among the most venomous animals on Earth.
Habitat
Warm coastal waters, especially after rain.
Where Found in Thailand
Gulf of Thailand & Andaman — Koh Samui, Phangan, Phuket, Krabi.
Symptoms
- Searing pain
- Whip-like red marks
- Cardiac arrest
- Drowning from shock
First Aid — DO
- Get OUT of water
- Douse stung area with VINEGAR for 30s+
- Carefully remove tentacles
- CPR if needed
- Hospital NOW
DO NOT
- DO NOT use fresh water, alcohol, or urine
- DO NOT rub the area
When to seek help
Life-threatening — call 1669 immediately. Vinegar must be applied within seconds.
Call 1669