A quintessential underwater scene, typical of a nature documentary, set within a tropical coral reef. The seabed is carpeted with vibrantly colored corals and anemones, as the camera follows the elegant, sinuous ascent of a large, vividly hued jellyfish with long, flowing tentacles. The jellyfish moves toward the surface of the sea, propelling itself upward by rhythmically contracting its body and trailing its long tentacles behind it. All around, numerous tropical fish—in shades of orange, white, and various other colors—swim past. The entire scene is bathed in sunlight filtering down from above, casting shimmering patterns of light across the ocean floor.