Principles and swimmers in the Costa Blanca area of ​​Spain are called upon to show increased attention, following successive appearances by the poisonous marine organism Glaucus Atlanticus.

Local authorities had already issued warnings and hung red flags along the seven miles of coastline in the seaside zone of Guardamar del Segura, banning swimming.

Those who violated the ban were in danger not only with fines but also with serious injuries due to the dangerous nature of the body.

On Thursday, local police downgraded the red to yellow flag alarm, allowing swimming again, but with a strict recommendation for attention.

Glaucus atlanticus, known for its impressive blue appearance, has strong toxin and contact with it can cause severe burns or allergic reactions.

Authorities are urging both residents and tourists to avoid contact with the Agency and to immediately notify the authorities in the event of its detection.

Their special coloring acts as a natural camouflage: its intense blue belly allows it to “become one” with the surface of the sea when floating upside down, making it difficult to distinguish it.

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Similarly, its back is gray, helping them not look from the seabed.

In addition to their defense, Blue Glaucus also have special reproductive abilities, as they are hermaphrodite – that is, they have both male and female reproductive organs.

After the coupling, each can give birth to about 16 eggs, which hatch within about three days.