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As summer arrives, Phu Quoc, Vietnam's pearl island, becomes an ideal destination for those who love turquoise waters and fine white sand beaches. However, according to information from the Kien Giang Marine Reserve Management Board, the period from April to August each year is also the peak breeding season for jellyfish, especially in calm beaches such as Ganh Dau, Cua Can, Bai Thom, Ham Ninh, and the An Thoi ward area. The warm water in these areas creates favorable conditions for jellyfish to thrive, and the appearance of a few individual jellyfish can be an indication that the jellyfish density in that area is high.
It's worth noting that jellyfish are very diverse in species, with varying characteristics and levels of danger. Comb jellyfish and moon jellyfish are generally harmless or cause mild irritation. Conversely, fire jellyfish, with their long, pinkish-orange or reddish-brown tentacles, contain toxins that can cause burning pain. Particularly dangerous are box jellyfish, square-shaped jellyfish with long tentacles containing extremely potent toxins that can be life-threatening if not treated promptly. Although box jellyfish are rarely seen in the waters around Phu Quoc, tourists should still exercise caution.
There are many types of jellyfish, and especially the box jellyfish (square-shaped, with long tentacles, very venomous, and can be fatal if not treated promptly).
To ensure the safety of residents and tourists, the Kien Giang Marine Reserve Management Board recommends limiting swimming after rain or during high tide, as this is when jellyfish are more likely to be washed ashore. Wearing long-sleeved swimwear is also recommended as a protective measure to minimize direct contact with jellyfish. Additionally, some types of jellyfish repellent cream can create a protective layer on the skin.
Before entering the water, carefully observing the sea surface is extremely important. If you spot jellyfish floating or unusual foamy streaks, you should absolutely stay away from that area. Even if the jellyfish are dead, their tentacles can still secrete toxins, so you should never touch them.
According to recommendations, jellyfish are easily washed ashore by waves after rain or during high tide.
In the unfortunate event of a jellyfish sting, it is crucial not to rub the affected area. Effective first aid measures include using vinegar (diluted acetic acid) to neutralize the jellyfish venom or gently scraping away any remaining jellyfish cells with a hard object. If the victim experiences severe symptoms such as difficulty breathing, dizziness, or widespread sharp pain, they should be taken to the nearest medical facility immediately for prompt emergency treatment to avoid dangerous complications.
Tourists should avoid swimming at this time. Before entering the water, if you see jellyfish or unusual foam, you should leave the area.
In fact, there have been cases of tourists encountering this situation, a typical example being the video circulating on social media showing an international female tourist allegedly stung by a jellyfish while swimming at Ham Rong Cape. The images show the tourist's leg was red and very painful, and those around her provided first aid on the spot.
If stung by a jellyfish, rinse with seawater, not freshwater, and go to the nearest medical facility for prompt treatment.
Summer is a great time to explore the beauty of Phu Quoc, but visitors also need to be aware of the risk of jellyfish stings, especially between April and August. Following recommendations and equipping yourself with the necessary knowledge will help visitors have a safe and enjoyable beach trip.
