Many varieties of fish, shrimps, and crabs depend on the shelter sponges provide that are part of the reef s ecosystem. The many crevices within the coral reef provide shelter and protection for crustaceans and eels. Octopus, squid, snails, and other mollusks live on or near the reef. Individual and schools of fish are vital for the reef s ecosystem, as they are both predators and prey. As a result of the reef s diverse ecosystem, the local populous depends on its survival for economic and dietary reasons.
Coral reefs are a tourist attraction that boasts snorkeling, diving, fishing, and coral sand.
The local population depends on the reef s fish, lobster, and crab to meet their protein needs. Coral reefs act as a barrier between land and sea, thus providing mainland and island protection. Heavy wave action caused by sea storms are lessened and damage caused by flooding and coastal erosion are reduced. Coral reefs are believed to be analogous to the Amazon rainforest because of its pharmaceutical potential. Several drugs have been derived and developed from this ecosystem.