A purple flag has been raised on two of Tenerife’s southern beaches.
Pictured as a blue sea in coastal waters. Adobe stock / AOP
A poisonous blue sea snail has been detected in the waters of the southern beaches of Tenerife, Canarian Weekly reports.
According to the website, authorities have advised against swimming at two beaches, El Médano and Leocadio Machado. On the beaches, a purple flag has been drawn to warn of dangerous seafood, such as jellyfish.
The authorities have announced that they will inform when the beaches are safe again.
The blue sea snail is a small, only three-centimeter-long species of shellfish that thrives in warm sea waters. It is most typically observed in regions of Australia and South Africa.
Blue Sea, from the Latin name Glaucus atlanticus, known by the nickname “blue dragon”. The name refers to its colorful, spiky appearance.
The species does not produce its own poison, but it eats other poisonous seafood and is able to store their poison in itself.
Touching a blue snail can cause painful skin irritation, swelling and sometimes severe allergic reactions in people.
Tenerife, the largest island of the Canary Islands, is a popular tourist destination where millions of tourists from different parts of the world travel every year.
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