Tiny blue dragon sea slugs are washing up along Texas beaches as spring winds push marine life ashore. Experts warn the creatures can deliver a painful sting.

The Harte Research Institute warns that "blue dragons," a nickname for a species of sea slug, can deliver a painful sting because of their diets ...

The water may still be cool along the Texas coast, but beachcombers are already finding signs that the ocean has some surprises in store this season. Researchers are ...

Jace Tunnell, of the Harte Research Institute in Corpus Christi, holds a handful of blue dragons. Dozens of the sea slugs washed ashore on North Padre Island and Surfside Beach on March 10, 2026. The ...

Tiny sea creatures that can impart a painful sting have been spotted on Texas beaches this week as spring break season begins.

Blue dragon sea slugs have been seen in recent weeks washing up on gulf coast Texas beaches but the small venomous creatures are no strangers to Florida. With their hypnotic and iridescent blue color, ...

GUARDAMAR DEL SEGURA, Spain - Recent sightings of a tiny blue sea slug with a powerful sting have closed beaches in southeastern Spain. Blue Dragon sea slugs are around an inch long and have unique ...

Rare blue dragon sea slugs are washing up on Texas beaches. Researchers warn the tiny creatures may be beautiful, but they can deliver a powerful sting.

A renowned marine biologist claims to have made a spectacular discovery off the coast of Mallorca: She reports having seen the rare sea slug Glaucus atlanticus. This would be the first sighting in the ...

Small but mighty and venomous creatures have caused the closure of tourist beaches for a second time in southeastern Spain this week after they were discovered in the water, local authorities ...