A renowned marine biologist claims to have made a spectacular discovery off the coast of Mallorca: She reports having seen ...

The blue glaucus - or Blue Dragon as it's more commonly known - may appear like an innocent, beautiful sea creature, but it actually has a very toxic sting that could cause serious injury ...

Blue dragons are washing up on Texas beaches. Officials are warning beachgoers to avoid the creatures if they see them.

Critters Definitely Don’t Touch the “Blue Sea Dragons” Washing Up on Texas Beaches This bizarre species has a more potent sting than a Portuguese man-of-war.

Rare blue dragons are washing up on Texas beaches. Look, but please don't touch them. Galveston County provides safety tips when among hazardous marine wildlife.

What are blue dragons and are they venomous? Also commonly known as the blue glaucus, the blue dragon is a sea slug located in the Atlantic, Indian and Pacific oceans.

The mysterious blue sea dragon is a species of small sea slug that uses venom taken from Portugese man o' war to kill their prey.

Blue dragons are also known as blue angels or sea swallows but the scientific name is blue glaucus. A group of them floating together is called a blue fleet.

What are blue dragons and are they venomous? Also commonly known as the blue glaucus, the blue dragon is a sea slug located in the Atlantic, Indian and Pacific oceans.