In the video, we see a group of fish swimming in a tank. The fish are of different sizes and colors, and they are swimming around in the water. The tank appears to be indoors, and there is a turtle swimming in the water as well. The water is clear, and we can see the bottom of the tank. The fish are moving around, and some are swimming towards the camera while others are swimming away. The turtle is swimming slowly and appears to be enjoying the water. The lighting in the tank is bright, and we can see the details of the fish and the turtle clearly. Overall, the video shows a peaceful scene of fish and a turtle swimming in a tank.