The video shows a person's hand touching the glass of an aquarium. Inside the aquarium, there are several fish swimming around. The fish are of different sizes and colors, and they are swimming in different directions. The aquarium is well-lit, and the water is clear. The person's hand is visible in the foreground, and they seem to be observing the fish. The fish are moving around the aquarium, and some are swimming near the surface while others are near the bottom. The aquarium appears to be well-maintained, and the fish seem to be healthy.