Coral reefs support more species per unit area than any other marine environment, including about 4,000 species of fish, 800 species of hard coral, and thousands of other species. Scientists estimate that there may be another one to eight million undiscovered species living in and around the world's coral reefs. This web page provides links to essays and information about coral reef ecosystems.
Features: Data Sources
This Web page features short movie clips of coral reef ecosystems.