The video shows an aquarium with a variety of fish swimming around. The aquarium is decorated with plants, rocks, and a small house. The fish are of different sizes and colors, and they swim in and out of the frame. The plants are green and healthy, and the rocks are stacked in a way that creates a natural look. The house is small and detailed, with a thatched roof and a chimney. The aquarium is well-lit, and the water is clear, allowing for a good view of the fish and decorations.