The video shows a large aquarium with various fish swimming around. The fish are of different sizes and colors, including yellow, blue, and white. The aquarium is decorated with rocks and coral, creating a natural habitat for the fish. The water is clear and the lighting is bright, highlighting the vibrant colors of the fish. The fish are seen swimming in different directions, some near the surface while others are deeper in the water. The aquarium appears to be well-maintained and the fish are healthy and active.