The video features a large aquarium with a variety of fish swimming around. The fish come in different sizes and colors, including yellow, orange, and green. Some of the fish have long fins and tails, while others are more rounded. The aquarium is well-lit, and the water is clear, allowing for a good view of the fish. The fish are seen swimming in different directions, some near the surface and others near the bottom of the tank. There are no visible plants or decorations in the aquarium.