The video shows a large aquarium filled with colorful fish swimming around. The fish are of different sizes and colors, including blue, yellow, and orange. The aquarium is decorated with rocks and plants, creating a natural habitat for the fish. The water is clear, and the lighting is bright, making the colors of the fish stand out. The fish are swimming in different directions, some near the top of the tank and others near the bottom. The video captures the peaceful and serene atmosphere of the aquarium.