This photograph by Nick Norman captures a vibrant red sea star resting on a rock covered in algae, set against a typical coral reef backdrop. The sea star's five-pointed shape is clearly visible, with a textured surface of small granules, showcasing natural biological details. The surrounding environment displays yellow-green hues, creating a striking contrast with the red sea star, evoking a serene and mysterious underwater atmosphere. The image is from National Geographic, highlighting the richness and beauty of marine ecosystems.