The video shows a large aquarium filled with various types of fish. The fish are swimming around in the water, some of them are small while others are large. The aquarium is decorated with rocks, plants, and other decorations that provide a natural habitat for the fish. The water is clear and the lighting is bright, allowing for a good view of the fish and their surroundings. The fish are moving around calmly, and there are no signs of aggression or distress. The aquarium appears to be well-maintained and the fish are healthy.