The video shows a fish tank with several fish swimming around. The fish are of different sizes and colors, including red, yellow, and blue. The tank is decorated with various 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 near the bottom of the tank. The plants sway gently with the movement of the water. Overall, the video captures the serene and colorful environment of a well-maintained fish tank.