In the video, a fish is seen swimming in a tank. The fish is white and has a long tail. It swims towards a green pole that is in the tank. The pole has some writing on it, but it is not clear what the writing says. The fish seems to be interested in the pole and keeps swimming around it. The background of the tank is blurry, but it appears to be a natural setting with plants and rocks. The fish's movements are smooth and graceful as it navigates the tank. Overall, the video captures a peaceful moment in the life of a fish in its aquatic environment.