Phylum Porifera (Sponges)
Ophlitaspongia pennata (velvety red sponge) These tiny flat red to orange colored sponges encrust vertically on rocks shaded from sunlight.
Ophlitaspongia pennata (velvety red sponge)
These tiny flat red to orange colored sponges encrust vertically on rocks shaded from sunlight.
These tiny flat red to orange colored sponges encrust vertically on rocks shaded from sunlight.
