Petrosia (Petrosia) ficiformis - Stony sponge - Harde vijgspons

Petrosia (Petrosia) ficiformis  (Poiret, 1789)

Stony sponge - Harde vijgspons

Cala Nova reef - Tamariu, Spain, 2-6-2015. Detail of next photo.

Cala Nova reef - Tamariu, Spain, 2-6-2015.