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Guardamar Beaches Closed Due to Venomous Sea Slugs

8/28/2025

25 5

Summary

Story summary

Beaches in Guardamar del Segura, Spain, were closed in late August 2025 due to venomous Blue Dragon sea slugs.
These slugs, measuring about 1 inch, can inflict painful stings upon contact.
Local authorities banned swimming for safety, noting a rise in slugs washing ashore.
Their appearance may be associated with climate change impacting their natural habitats.

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Story summary

Beaches in Guardamar del Segura, Spain, were closed in late August 2025 due to venomous Blue Dragon sea slugs.
These slugs, measuring about 1 inch, can inflict painful stings upon contact.
Local authorities banned swimming for safety, noting a rise in slugs washing ashore.
Their appearance may be associated with climate change impacting their natural habitats.