The video shows a fish tank with a variety of fish swimming around. The fish are of different sizes and colors, including yellow and red. The tank is decorated with rocks and coral, creating a natural habitat for the fish. The water is clear, and the lighting is bright, highlighting the vibrant colors of the fish and the tank's decorations. The fish are seen swimming in different directions, some near the top of the tank and others near the bottom. The tank appears to be well-maintained and clean, with no visible algae or debris.