Marine animals can be fascinating and very beautiful. However, you should not approach some of them. Some fish and jellyfish are highly poisonous, and contact can sometimes be fatal. Read here about ...

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 Blue dragons, a species of small sea slug, are washing ...

Rare blue dragon sea slugs are washing up on Texas beaches. Researchers warn the tiny creatures may be beautiful, but they can deliver a powerful sting.