Sometimes called rainforests of the sea, shallow coral reefs form some of Earth's most diverse ecosystems. They occupy less than 0.1% of the world's ocean area, about half the area of France. Yet, they provide a home for at least 25% of all marine species ...

Aside from being home to a lot of seafood they also play a not fully understood part in the breeding of a good number of other seafood in ways not yet fully understood.

ie. Lose the reefs .. and then we find out how our supply of seafood is impacted.