The Blue Dragon is a species of medium-sized, floating, blue sea slug, a pelagic aeolid nudibranch and preys on other larger pelagic organisms such as the dangerously venomous Portuguese Man o' War, also known as Blue Bottle.
Glaucus Atlanticus or Blue Dragon
Physalia, Portugese Man of war or also known as Blue Bottle.
‘All these animals float on the surface of the ocean being carried by the currents and the winds. Most of us are only aware of their existence when days of onshore winds blow great fleets of them on to the beaches, causing pain and angst for swimmers. Both species spend their life floating upside down in the water, partially bouyed by a gas bubble in their stomachs.'
http://www.seaslugforum.net/factsheet.cfm?base=glauatla, Photos by Bill Rudman
http://www.seaslugforum.net/factsheet.cfm?base=glauatla, Photos by Bill Rudman
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