The video shows a fish tank with a variety of fish swimming around. The tank is decorated with a large skull and other rocks. The fish are of different sizes and colors, and they swim around the tank in a lively manner. The water is clear, and the lighting is bright, allowing for a good view of the fish and their surroundings. The skull is a prominent feature in the tank, adding a unique touch to the aquarium. Overall, the video captures the beauty and diversity of the fish and their environment.