The video shows a large aquarium filled with numerous fish of different sizes and colors. The fish are swimming around in the water, and a person's hand is seen pointing at them. The aquarium is well-lit, and the fish are vibrant and active. The person's hand moves around, pointing at different fish, and the fish swim around the tank, sometimes coming close to the glass. The aquarium appears to be well-maintained, with clean water and no visible debris.