Jelly blubber

phylum	Cnidaria	The jelly blubber(Catostylus mosaicus), also known as the blue blubber jellyfish, is a species of jellyfish from coastal regions in the Indo-Pacific. It is the most commonly encountered jellyfish along the Australian eastern coast and large swarms sometimes appear in estuarine waters. In Sydney waters, the jelly blubber's large bell is a creamy white or brown colour, but farther north in Australia it is usually blue. The colours are derived from pigment produced by the jellyfish itself (not symbiotic algae, as in some other jellyfish). For more information visit the Wikipedia entry. Get back to Jellyfish
class	Scyphozoa
order	Rhizostomae
family	Catostylidae
genus	Catostylus
species	C. mosaicus

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  Kaiyodo Shinagawa Aquarium Blue Jellyfish