algae, background, blue, cave, colors, coral, cover, darkness, depth, diver, effects, fish, giant, graphics, greens, inhabitant, light, light rays, lines, maritime, moss, new, ocean, opalzen, people, picture, plant, plants, plate, predator, predators, rap, rem digga, ripple, sand, sea, shark, the author, the bottom, the world, underwater, underwater world, water, waterfowl, waves, whale, whales