The ringed chromodorid: a large, smooth, brightly coloured dorid that stores defensive compounds from its sponge prey in white glands around the mantle edge.
Translucent white body with scattered orange to yellow spots and a purple mantle edge. A conspicuous purple ring around the base of the rhinophores and another around the gills.
Similar species
Goniobranchus obsoletus is smaller, with an orange edge and a blue-black inner band and no purple rings.
≈Habitat & diet
Habitat
Shallow rocky areas and rock walls among algae, ~1–40 m.
Food
Sponges, especially Chelonaplysilla.
➝In the Mediterranean
2004First recordSalamina, Saronic Gulf, Greece (12 m)
2026Latest documented recordLimassol, Rhodes, Antalya and Haifa