The video shows a group of fish swimming in an aquarium. The fish are of different sizes and colors, and they are swimming around a large piece of driftwood that is in the center of the tank. The water is clear and the lighting is bright, making it easy to see the fish and their movements. The driftwood is brown and has a rough texture, and it provides a natural habitat for the fish. The fish are swimming in different directions, some are swimming near the top of the tank while others are near the bottom.