In the video, a person is seen holding a green bottle filled with water and feeding it to a group of fish in a tank. The fish are eagerly swimming towards the bottle and eating the water from it. The fish are of different colors, including orange, white, and black. The person is holding the bottle with both hands and tilting it slightly to allow the water to flow out. The fish are swimming around the bottle, trying to get their share of the water. The water in the tank is clear, and the fish are moving around actively. The video captures the feeding process in detail, showing the fishes' eager and active behavior towards the bottle.