The video shows a large aquarium filled with water and various fish swimming around. The aquarium has a blue background and is filled with small rocks and pebbles on the bottom. There are several types of fish, including some with orange and white stripes, and others with darker colors. The fish are swimming in different directions, some near the surface and others near the bottom of the tank. The water is clear, and bubbles can be seen rising to the top of the tank. There is no visible title or subtitle in the video.