A seven-mile stretch of Spain's Costa Blanca has been closed to swimmers following the appearance of so-called blue dragons, ...

The stings are incredibly painful, causing nausea, vomiting, and though unlikely, may cause death in people with severe ...

Tourists were banned from swimming in the ocean in Spain after two toxic tropical sea slugs were found in the water. The beaches of Guardamar del Segura, in Alicante, were closed this week after two ...

Swimmers were told to rinse with saltwater and seek medical attention if they experienced stings or skin irritation.

Swimmers banned on Spain's Costa Blanca after venomous creatures known as Blue Dragons wash ashore causing safety alerts.

An extraordinary sighting of the “blue dragon” in the Mediterranean. The exceptional sighting of the blue dragon in ...

The Glaucus atlanticus is colloquially named the “blue dragon sea slug” for its resemblance to the mythical dragon, and ...

A popular area of beaches was closed by authorities after they found deadly sea creatures in the area that could potentially ...

The “most beautiful killer in the ocean” feeds on the Portuguese man o’ war and stores its venom in a more concentrated form, making it highly dangerous.

Beachgoers in Thailand have been alerted to beware of venomous blue dragon sea slugs (Glaucilla sp) after reported sightings ...

Beaches in the town of Guardamar del Segura, in southeastern Spain, closed earlier this week after the discovery of two ...