In the video, a person is seen feeding fish in an aquarium. The person's hand is visible, and they are holding a piece of food, which they drop into the water. The fish, which are of various sizes and colors, swim towards the food and eat it. The aquarium is filled with green plants and rocks, creating a natural habitat for the fish. The lighting in the aquarium is bright, illuminating the fish and plants. The person's hand is steady as they drop the food, and the fish eagerly swim towards it. The video captures the interaction between the person and the fish, highlighting the beauty and tranquility of the underwater world.