The video shows a fish tank with a variety of fish swimming around. The fish are of different sizes and colors, including red, blue, and yellow. The tank is filled with green plants and rocks, 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 plants. The fish are seen swimming in different directions, some near the surface while others are closer to the bottom of the tank. The plants sway gently with the water movement, adding to the serene ambiance of the scene.