About 20 to 30 moon jellyfish were discovered yesterday near the surface and along the shore at Ao Siam on Koh Racha Yai, Phuket. This finding was reported by the Upper Andaman Coastal and Marine Resources Research Centre. The presence of these jellyfish has prompted officials to issue an alert to the public and local tourists.
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The sighting was initially reported by staff at the Racha Islands protected area management centre in Rawai, Mueang district. Identification confirmed the jellyfish as moon jellyfish, a species prevalent in Thai waters. Although this type of jellyfish carries mild venom and isn't life-threatening, it can lead to red rashes, a burning sensation, and irritation, specifically for individuals with sensitive skin.
Authorities have urged people not to touch the jellyfish directly and reassured them that the species isn’t highly dangerous. However, they emphasized caution; anyone experiencing unusual symptoms after contact should rinse the affected area and seek medical help. The advice aims to promote awareness and safety among local residents and visitors.
The situation is being monitored closely by marine authorities to address any further developments. The recent appearance serves as a reminder of the active marine life in the area, potentially affecting local tourism temporarily.
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Adapted by ASEAN Now · The Thaiger · 08 Apr 2026
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