This gorgeous sea slug (Glaucus atlanticus) preys on larger organisms such as the venomous Portuguese Man o’ War. The tiny sea slug, also know as blue dragon, ‘selects’ the most venomous cells of its victim for its own use, incorporating them into its tissue and using them to produce a more powerful—and deadly—sting than the Man o’ War.
This is Glaucus atlanticus, a sea slug found in tropical and temperate waters throughout the world. ...