The video shows a person cleaning a fish tank. The person is using a net to remove the fish from the tank and then pouring water into the tank to clean it. The fish are swimming around in the water, and the person is carefully handling them with the net. The tank appears to be well-maintained, with clear water and no visible debris. The person is wearing gloves and appears to be taking care to not harm the fish during the cleaning process. The video provides a close-up view of the tank and the fish, allowing the viewer to see the details of the fish and the cleaning process.