Tethya aurantium - Golf ball sponge

Tethya aurantium  (Pallas, 1766)

Golf ball sponge

Selce - house reef, Croatia, 30-8-2017. Specimen A.

Selce - house reef, Croatia, 30-8-2017. Specimen A with Cladocora caespitosa  (Pillow coral - Polkoraal).