Demosponges and homoscleromorphs

Crumb-of-Bread Sponge

Crumb-of-Bread Sponge

Hymeniacidon perlevis

Sulphur Sponge

Sulphur Sponge

Aplysilla sulfurea

Sulphur Boring Sponge

Sulphur Boring Sponge

Cliona celata