KRABI, THAILAND – Highly venomous Portuguese man o’ war have been discovered in two national park areas along Krabi’s coast, prompting authorities to raise red flags, impose swimming bans, and increase surveillance to protect tourists.
Warning for Swimmers
The Department of National Parks, Wildlife and Plant Conservation has intensified safety measures in Krabi, hoisting red flags on affected beaches. Lifeguards and park protection units have been instructed to strictly prohibit swimming and conduct round-the-clock patrols. The crucial advisory is to avoid entering the water in designated areas currently under enforcement.
Discovery Sites in National Parks
The initial report originated from Mu Ko Lanta National Park, where officials discovered Portuguese man o’ war at Laem Tanod on the morning of June 5 during a routine beach safety patrol. On the same day, Hat Noppharat Thara-Mu Ko Phi Phi National Park reported sightings near PP 7 on Phi Phi Don. These creatures were found drifting at sea and washed up at other key tourist locations, signaling a widespread presence.
How Dangerous Are These Creatures?
The Portuguese man o’ war (Physalia physalis) possesses a blue to purple, gas-filled float and long tentacles that can extend several meters. Contact can result in burning pain, skin lesions, and effects on the nervous system and heart muscle. In severe cases, breathing difficulties, unconsciousness, or life-threatening reactions are possible.
Specific Recommendations for Tourists
Authorities are urging the public: do not touch them, whether in the water or on the beach, report any sightings immediately, and wear shoes on the beach. Tour operators have been alerted, and swimming is forbidden in areas with red flags and must be strictly avoided. This measure is in place to prevent accidental encounters.
On-Site First Aid
Medical teams and lifeguards advise affected individuals to leave the water immediately, remain calm, and not rub or scrub the affected area. Breathing and heartbeat should be monitored, and individuals must receive prompt medical attention or be handed over to park officials for transport. This rapid response protocol is designed to mitigate further harm.
Control and Outlook
Park officials are clearing affected coastal sections using land and sea patrols and deploying patrol boats, with the protection of visitors as the top priority. Monitoring will continue until authorities are confident that the venomous creatures have been cleared from tourist zones. The situation is being closely observed for any new developments.
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