The barrel jellyfish (Rhizostoma pulmo) is one of the largest jellyfish of the Spanish Mediterranean coast.
Where to find them?
You can learn more about them in our Mediterranean habitat.
It is characterised by having a blueish white umbrella with a violet coloured edge. It does not have tentacles, instead having 8 fused oral arms without branching.
The small jellyfish of this species are more common in spring, while adults usually appear in summer and at the start of autumn.
It is considered a coastal species, generally present near the surface.
Danger to humans