The video shows a close-up of several corals in an aquarium. The corals have different colors, including purple, pink, and orange. They are of various shapes and sizes, with some resembling branches and others resembling boulders. The corals are stationary, and there is no visible movement or action in the video. The background is dark, which makes the colors of the corals stand out. There are no visible fish or other marine life in the video.