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

The Elysia sea slug can shed its body and regrow it from the head down. Learn how this marine marvel cheats death.

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.

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.

Blue sea slugs were believed to prey on the Portuguese man-of-war, which contains highly poisonous nematocysts, and uses the nematocysts for defense by incorporating them into the tips of its lateral ...

The blue sea dragon, a type of venomous sea slug that lives in the open ocean, has recently been spotted at Cape Hatteras National Seashore.

Venomous Blue Sea Dragons are washing up on the sandy shores of the Outer Banks in North Carolina, and National Park officials advise to admire them from a distance.

They sometimes travel in groups known as "Blue Fleets." The sea slug eats venomous creatures (the Portuguese man o' war is its favorite dish) and it has the ability to store the venom it eats and ...

MELBOURNE, Fla. — Several blue dragon sea slugs were spotted on the beach near Cape Canaveral last weekend, and the evil-looking creatures with their menacing tendril-like digits were credited ...

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 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.