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Cotylorhiza tuberculata
Harmless

Cotylorhiza tuberculata

Scyphozoa (Cepheidae)

It lives in symbiosis with micro-algae (zooxanthellae) hosted in its tissues. These algae give it its beautiful colors and help it feed through sunlight.

Sting symptoms

Completely harmless. Does not sting.

Identification

It literally looks like a fried egg: the center is domed, smooth, and yellow-orange, surrounded by a lighter flat disk. Underneath, its short oral arms end in bright purple or blue buttons.
Size
Umbrella: 30 to 40 cm
Habitat
Endemic to the Mediterranean. Often swims just below the surface.
Scientific family

Scyphozoa (Cepheidae)

Community photos

Photos submitted and verified by Meduseo users. (163)

Cotylorhiza tuberculata
16/09/2026 Chania
Cotylorhiza tuberculata
14/09/2026 Roses
Cotylorhiza tuberculata
13/09/2026 Saint-Jean-Cap-Ferrat
Cotylorhiza tuberculata
13/09/2026 Saint-Jean-Cap-Ferrat
Cotylorhiza tuberculata
11/09/2026 Kassandra
Cotylorhiza tuberculata
10/09/2026 Gruissan
Cotylorhiza tuberculata
10/09/2026 Benicarló
Cotylorhiza tuberculata
08/09/2026 Bormes-les-Mimosas
Cotylorhiza tuberculata
08/09/2026 Ghisonaccia
Cotylorhiza tuberculata
08/09/2026 La Seyne-sur-Mer
Cotylorhiza tuberculata
07/09/2026 Latte
Cotylorhiza tuberculata
07/09/2026 Santa Eulària des Riu
Cotylorhiza tuberculata
07/09/2026 Vera
Cotylorhiza tuberculata
06/09/2026 Pietrosella
Cotylorhiza tuberculata
05/09/2026 Osor
Cotylorhiza tuberculata
05/09/2026 Dorida
Cotylorhiza tuberculata
05/09/2026 Dorida
Cotylorhiza tuberculata
05/09/2026 Sant Joan de Labritja
Cotylorhiza tuberculata
05/09/2026 Malgrat de Mar
Cotylorhiza tuberculata
04/09/2026 Almería
Cotylorhiza tuberculata
04/09/2026 Canet de Mar
Cotylorhiza tuberculata
04/09/2026 Roquetas de Mar
Cotylorhiza tuberculata
03/09/2026 Blanes
Cotylorhiza tuberculata
03/09/2026 Salou