Oculina diffusa (commonly referred to as ivory bush coral) is a coral found mainly on the east coast of central Florida. It is also found in North Carolina, Burma, the Bahamas, and West Indies. It is found in shallow water, usually down to 3 metres (9.8 ft) deep but occasionally as deep as 20 metres (66 ft). Its colonies are dense and have a yellow-brown color. It favours areas with high amounts of sedimentation.