Behold the Blue Sea Slug (a. Blue Ocean Slug, Sea Lizard, Blue Glaucus, Sea Swallow, Sea Dragon) -- a nudibranch sea slug with nematocysts (stinging cells) at the end of its tendrils. It is an apex predator that eats the Portuguese Man O'War.
The blue dragon mollusk was recently spotted off the coast in Australia a rare sighting indeed. They are a curious creature indeed as they spend their entire lives upside down gripping to the surface of the water camouflaging nic
The Pacific Blackdragon (idiacanthus antrostomus) haunts the depths of the ocean, its black snake-like body lit up by photophores along its belly. Hanging off the lower jaw is a barbel tipped by a glowing lure that is used to entice prey. May 2013