Aeolidia papillosa Spawn coil. Skerries, Portrush, Co Antrim, Northern Ireland. 15m. 30 April 2007. – Photograph ©Bernard Picton
Aeolidia papillosa Spawn coil. Skerries, Portrush, Co Antrim, Northern Ireland. 15m. 30 April 2007. – Photograph ©Bernard Picton