The video shows a close-up view of a colorful aquarium with various fish swimming around. The fish are of different sizes and colors, including orange, blue, and white. The aquarium is decorated with coral and other sea plants, creating a vibrant underwater scene. The fish are seen swimming in different directions, some hiding behind the coral while others swim in the open water. The lighting in the aquarium highlights the colors of the fish and the coral, making the scene look lively and dynamic.