The video features a vibrant and colorful coral reef display. The corals are illuminated with a black light, which makes them glow in various colors such as blue, green, pink, and orange. The corals are of different shapes and sizes, some resembling branching trees while others are more dome-shaped. The display is set against a dark background, which makes the colors of the corals stand out even more. There are no visible fish or other marine life in the video.