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 ...

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, ...

The blue dragon may be too weak to resist the ocean's current, but it can take on a Portuguese man o'war and even steal its venom. When you purchase through links on our site, we may earn an affiliate ...

Last week, Galveston County issued a Purple Beach Flag, signaling a potential encounter with a hazardous wildlife species: the rare blue dragon. "Recently, our community has marveled at the sighting ...

On a beach vacation, a venomous sea slug probably isn't high on your must-see list. That's exactly what San Antonio resident Erick Yanta came across on his trip to Mustang Island, an 18-mile-wide ...