In this video, we see a close-up of a fish tank with several guppies swimming around. The tank is filled with white gravel and has a green plant in the corner. The guppies are of different sizes and colors, with some having red tails and others being more colorful. They are swimming around the tank, occasionally darting in and out of the plant. The water is clear, and the lighting is bright, highlighting the vibrant colors of the fish.