Glaucus atlanticus, commonly known as the Blue Dragon, was spotted along the shore of some beaches in Spain, forcing ...

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

The beaches of Guardamar del Segura in the Alicante province of Spain were closed on Wednesday, Aug. 20, after two blue ...

A sting from the sea slug, which feeds on the deadly Portuguese man o' war and other venomous creatures, can cause "nausea, ...

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

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

A single sting can cause severe pain, skin irritation, vomiting, fever, and in some cases, more serious allergic reactions.

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

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

A renowned marine biologist claims to have made a spectacular discovery off the coast of Mallorca: She reports having seen ...

Beaches in the Canary Islands were closed this week after a "dangerous" sea creature was spotted in the water. La Cantería ...

The beaches of Guardamar del Segura, in Alicante, were closed this week after two toxic blue dragon sea slugs were found in ...