Spain Closes Beach After 'Most Beautiful Killers in the Ocean' Invade — Stings Can Trigger Severe Nausea, Vomitting
Authorities in Spain have shut beaches on the Costa Blanca after rare Blue Dragon sea slugs — dubbed 'the most beautiful killers in the ocean' — appeared, with stings capable of causing nausea, vomiting, and dangerous allergic reactions.
International Business Times UK ·