In the video, a person is seen pointing to a fish tank while holding a bottle of fish food. The fish tank is filled with water and several fish are swimming around. The person then opens the bottle and pours the fish food into the water, causing the fish to gather around and eat the food. The fish are of various sizes and colors, and the tank is well-lit, making the fish easily visible. The person's actions are deliberate and careful, ensuring that the fish food is distributed evenly throughout the tank.