Coral diseases can range from physical, organ, and systemic conditions that affect the organism, disrupting its functions. This disease can be caused by bacteria, virus or macro-parasites. It can also be caused by changes in the environment such as chemical components, pollutants, too steep of a rise or fall in temperature,” said Beginer Subhan, SPi, MSi, a professor of IPB University from the Faculty of Fisheries and Marine Sciences (FPIK) in the Coral Disease Webinar: Prevention and Impact on Marine Ecosystems”, (29/8).