There are four laminated cards available to help researchers identify the most common diseases affecting corals in the western Atlantic, and differentiate signs of disease from predation. Other stony corals.
White area is skeleton recently stripped of coral tissue by the advancing disease.
B. BBD infecting Stephanocoenia intersepta. The disease advances 1-10 cm per week. Meandrina sp . The skeleton is excavated 1-2 cm, forming a sharp interface with live tissue. YBD is more common on other Montastraea species.