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Glaucus Atlainticus a pelagic sea slug

An extremely rare pelagic creature photographed by Benjamin Hartley

This is the rarest creature we have ever found. I am pleased my son Ben managed to get some photos before setting it back on its way. This mollusk has no shell as this would make it sink. It eats Portuguese-man-o-wars and keeps the powerful stingers as spoils of war for its own defence. Its underside is very light blue, like the sky. the topside is man-o-war color.