In the video, a person is seen feeding a fish in a fish tank. The person holds a piece of food in their hand and drops it into the water. The fish swims towards the food and eats it. The water in the tank is clear, and the fish is brown in color. The person's hand is visible in the video, and they appear to be standing outside the tank. The fish is the only one in the tank, and it swims around the food before eating it.