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

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

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

A sting from a sea slug can cause nausea, pain, vomiting, and acute allergic contact dermatitis. As a result, swimming has ...