👉 In marine biology, a reef is a layer of algae and other microorganisms that covers the surface of a body of water. It forms when certain types of coral reefs are exposed to strong currents and waves, allowing them to grow and thrive in shallow waters. The reef can be easily identified by its distinctive pattern of colorful corals, which form a large, complex structure resembling a large coral reef. Reefed refers to the condition of having a reef or a body of water that is covered with
