The video shows a large aquarium with a variety of colorful coral and fish. The aquarium is well-lit, and the water is clear. The coral comes in different shapes and sizes, and the fish are swimming around the tank. The person filming the video is moving their hand along the side of the tank, possibly to show the size of the aquarium or to interact with the fish. The fish are swimming around the tank, and the coral is swaying with the water movement. The aquarium appears to be well-maintained and healthy.