Despite its dazzling color and tiny size—barely reaching 4 cm—the “blue dragon” is extremely venomous and dangerous to humans ...

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

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

Dangerous sea slugs have forced the closure of a popular stretch of coast following multiple sightings of the pair of ...

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

TOURISTS have been banned from a long stretch of sea on Spain’s Costa Blanca due to an invasion of venomous and bizarre “blue ...

Tourists have been banned from swimming along a seven-mile stretch of Costa Blanca because of sea creatures with a ...

Tourists in southern Spain are prohibited from taking baths in the water along an entire 7-mile stretch of Costa Blanca as a ...

Tourists have been warned not to enter the sea at a popular tourist beach in southern Spain after poisonous sea creatures ...

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

Guardamar del Segura lifted red flags after rare blue dragon sea slugs were found. Swimming is now under yellow flags—report ...

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.