Colloquial term for Catostylus, the most common rhizostome jellyfish in Australia.
Commonly known as the blubber, Catostylus is a rhizostome jellyfish with no tentacles but which has 8 modified feeding `arms’ armed with nematocysts. Usually causes a very mild sting with slight skin irritation, although more severe stings have been rarely reported.... catostylus
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