caption: The image shows a close up of a group of polyp, a type of sea anemone, on a coral reef. The polyp is a light pinkish-purple color with a white center, and its tentacles are long and thin. It is surrounded by a variety of other sea creatures, including a starfish, a jellyfish, and a fish. The colors of the polyp range from light pink to dark pink, and the background is a deep blue.