The video shows a close-up of a fish swimming in a tank. The fish is moving around the tank, and its movements are visible through the water. The tank appears to be well-maintained, with clear water and no visible debris. The fish is the only living creature in the tank, and it seems to be healthy and active. The tank is likely located indoors, as there are no natural elements like plants or rocks visible in the background. The lighting in the tank is bright, allowing for a clear view of the fish and its surroundings.