For several weeks, Portuguese galleys have been seen along the Spanish coast, but also in Portugal. This kind of jellyfish, also called sea bladder, is very dangerous for humans, as it can cause cardiac arrest in the most serious cases. How to spot them and what are the risks? we tell you everything!
The Portuguese galley has shaken the Atlantic coast many times in recent years. While Physalia Physalis usually evolves in warm waters such as the Indian Ocean or the Gulf Stream of the Atlantic, for several years it has appeared in the more global waters of the Atlantic. Since the beginning of the summer, the Spanish authorities have been on the alert about the presence of these sea bladders in the waters of the north of the country, but also in Portugal.
If their presence has not yet been reported on the beaches in France, the fact remains that you have to be very vigilant when swimming in the ocean. The burns of the Portuguese galley can be very dangerous for humans. But how to recognize it? It’s quite simple, with a beautiful characteristic blue color surmounted by a float filled with air that can measure up to 15 centimeters in height, the Portuguese galley floats and lets itself be carried by the current and the wind. If its float is not dangerous in itself, it is its paralyzing and stinging tentacles that can be a real danger.
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Why is sea bladder so dangerous?
The burn of the tentacles of a Portuguese galley can pose a certain danger depending on the reaction of the person affected. This false jellyfish has tentacles that can measure several meters (up to 30 meters in some cases) poisonous for humans and animals. Very painful, the sting of the sea bladder can cause the person stung to feel unwell and therefore drown.
But this is not the only risk posed by this animal. Indeed, depending on the sensitivity of each, the reaction to the venom can be mild or violent. In the most serious cases, a sting from this fake jellyfish causes an allergic reaction called anaphylactic shock: intense pain, difficulty breathing, cardio-respiratory arrest… It is essential to contact the emergency services if you have been a victim of Physalia on as quickly as possible and to take the first steps in first aid, as Dr. Gérald Kierzek reminds us: “We never rinse with fresh water, but with sea water. And possibly, we put sand on the area, and with a small card, bank card type, we will come and scrape the skin to remove the stinging filaments“.
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