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 ...

Many ocean creatures appear soft and harmless, drifting gently through the water. But some of them carry one of the ocean’s ...

Spring breakers heading to Texas beaches may spot rare “blue dragons,” tiny ocean slugs with beautiful colors. But their sting can be painful, so admire from afar.

Blue dragons, blue buttons and Portuguese man o'war are washing up in Galveston, Surfside and other Texas beach towns during spring break, an A&M expert said.