The video shows a close-up view of an aquarium with several fish swimming around. The fish are of different sizes and colors, including blue, orange, and black. The aquarium is decorated with green 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. The fish are seen swimming in different directions, sometimes coming close to the camera and other times swimming away. The video captures the peaceful and serene environment of the aquarium.