Bodies of saltwater
Waters dominated by the calcareous calcium carbonate skeletons of coral. Usually found in warm, shallow water with low nutrient content and these reefs form the basis for diverse aquatic communities.
Aquatic biome consisting of large expanses of ocean but not including the ocean floor.
Marine habitats on or near the bottom of the body of water.
Deep sea vent
Areas of the deep sea floor where hot sulphur rich water is released from the ocean floor.