The video shows a group of fish swimming around in an aquarium. The fish are of different sizes and colors, with some having stripes and others being more solid in color. 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 and the plants. The fish are seen swimming in different directions, some near the top of the tank and others near the bottom. There is no visible title or subtitle in the video.