The Harte Research Institute shares that powerful stings come from the slug's diet of Portuguese man-o-wars The Harte Research Institute has issued a warning about a pack of stunningly blue sea ...

Many ocean creatures appear soft and harmless, drifting gently through the water. But some of them carry one of the ocean’s most unusual weapons. Cnidarians — the group that includes jellyfish, corals ...

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.

CORPUS CHRISTI, Texas – There are dragons at the beach in Texas. They’re not fire-breathing, but they do pack a punch. Jace Tunnell with the Harte Research Institute posted images of the blue dragons ...