In the video, a person's finger is seen pointing towards a fish tank. The tank is filled with water and has several fish swimming around. The fish are of different sizes and colors, and they are swimming around the tank, some near the surface and others near the bottom. The person's finger is moving around, pointing at different fish as they swim by. The tank is also decorated with green plants and rocks, creating a natural habitat for the fish. The water is clear, and the lighting in the tank highlights the vibrant colors of the fish and the plants.