An ethereal nudibranch rests upon a sandy ocean floor, its iridescent form shimmering against the sunlit depths.
The image showcases an underwater scene where a translucent, blue-hued nudibranch is prominently featured. The nudibranch has intricate, feather-like appendages extending from its body, which are translucent and have a gradient of blue. The creature is resting on a sandy ocean floor dotted with small pebbles and rocks. The water above is clear, allowing a glimpse of the sunlight filtering through, creating a serene ambiance.