Coral reefs can be found in the Pacific, Indian, and Atlantic oceans, including the Red Sea. However, over the years people have damaged coral reefs through practices like using dynamite to blast chunks of coral and pollution from fishing and land activities. Coral needs specific conditions to survive like warm, shallow, clear water above 68 degrees and feeds on small shrimp and plankton, though it is eaten by fish, starfish, and other sea creatures.