The video shows a large aquarium filled with water and various fish swimming around. The fish are of different sizes and colors, including red, white, and yellow. The aquarium is also decorated with 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 deeper in the water. The video provides a close-up view of the fish and their movements, allowing the viewer to observe their behavior and interactions with each other.