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Blue Dragon off Mallorca's Gates? What Beachgoers Should Know Now

Blue Dragon on Mallorca Beaches: What It Means

What the Blue Dragon is, why it can sting, and what Mallorca beachgoers should do if they spot one.

Published: April 22, 2026
Blue Dragon off Mallorca's Gates? What Beachgoers Should Know Now

Answer

What is the Blue Dragon and is it dangerous on Mallorca beaches?

The Blue Dragon, or Glaucus atlanticus, is a small sea slug rather than a jellyfish. It can be dangerous because it feeds on venomous species and may transfer their stinging cells, so touching it can cause strong pain and other symptoms. On Mallorca beaches, the main advice is simple: do not touch it, even if it looks harmless or washed up.

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