caption: The image shows a close up of a sponge on a coral reef. The sponge is a vibrant green color and is surrounded by a variety of sea life, including fish, coral, and other marine life. The coral is a mix of colors, including blues, greens, and yellows, and the fish are a bright orange. The water is crystal clear, allowing us to see the intricate details of the sponge and the vibrant colors of the coral.