The video shows an aquarium with a variety of colorful corals and fish. The camera pans around the tank, capturing the movement of the fish and the vibrant colors of the corals. The water is clear, and the lighting in the tank highlights the different colors and textures of the corals. The fish are swimming around the tank, some hiding among the corals while others are swimming in the open water. The camera focuses on different parts of the tank, giving a close-up view of the corals and fish.