The video features a close-up view of an aquarium with various types of coral. The corals are illuminated by blue light, which highlights their intricate structures and vibrant colors. The corals come in different shapes and sizes, including branching, dome-shaped, and flat-topped varieties. Some corals have a smooth texture, while others have a more rugged appearance. The aquarium appears to be well-maintained, with clear water and no visible debris. The corals are stationary, and there are no visible fish or other marine life in the video.