k Bubble coral Bubble coral Physogyra lichtensteini. This coral is covered in small inflated bubbles which can retract if the colony is disturbed. Photographed off the coast of Djibouti, in the Red Sea. Stock Photo - Afloimages
Bubble coral (Physogyra lichtensteini). This coral is covered in small inflated bubbles which can retract if the colony is disturbed. Photographed off the coast of Djibouti, in the Red Sea.
