Jump to main content.


Coral Stress and Disease

White pox disease on Elkhorn Coral by Reef Relief

This is a photograph of a diseased Elkhorn coral (courtesy of Reef Relief)Exit EPA Disclaimer

The best direct biological indicator of coral reef health are the corals themselves. They are increasingly being threatened and damaged by pollution, disease and habitat destruction. Increased sea temprature is also harmful to coral. Diseased coral die gradually and have become almost an epidemic world-wide. (see the US Coral Reef Task Force and The World Conservation Monitoring Centre Global Coral Disease Database) Exit EPA Disclaimer

Healthy and Diseased Corals

See Reef Relief's photo database on Healthy CoralsExit EPA Disclaimer

Some of the diseases facing coral include:

photo of healthy Elkhorn coral by Reef Relief

Here is a photograph of a healthy Elkhorn coral (courtesy of Reef elief)Exit EPA Disclaimer

Important Links:

Biological Indicators | Aquatic Biodiversity | Statistical Primer


Local Navigation


Jump to main content.