Coral reefs are nurseries of the ocean.
Healthy reefs are vital for human health. Divers can be the difference between a healthy reef and a tragedy. Fact Sheets Cyanide Fishing Trade in Coral Reef Species Coral reefs are home to over 25 percent of all marine life and are among the world's most fragile and endangered ecosystems. In the last few decades, mankind has destroyed over 35 million acres of coral reefs. Reefs off of 93 countries have been damaged by human activity.