The video shows a close-up view of an aquarium with a variety of colorful corals and anemones. The corals come in different shapes and sizes, with some resembling rocks and others resembling flowers. The anemones have long, flowing tentacles that sway gently in the water. The aquarium is illuminated by blue and purple lights, which enhance the vibrant colors of the corals and anemones. The water is clear, and bubbles can be seen rising to the surface. There are no fish or other marine creatures visible in the video.