The Cotylorhiza tuberculata jellyfish, often called fried egg jellyfish, owes its name to the singular shape of its umbrella resembling a fried egg. It is in fact formed of a yellowish crown surrounding an orange dome. Its eight arms are provided with hundreds of tentacles that are not very itchy.
It is an endemic species of the Mediterranean basin, very common in the Adriatic, it lives near the surface. It serves as a refuge for small fish thanks to its parasol. It is not uncommon to observe a dozen specimens hidden between its tentacles.
The fried egg jellyfish bite is harmless to humans and most marine species.