The video shows a group of fish swimming in an aquarium. The fish are blue and yellow in color, and they are swimming around the tank. The aquarium is decorated with coral and rocks, creating a natural habitat for the fish. The water is clear, and the lighting is bright, highlighting the vibrant colors of the fish and the coral. The fish are moving gracefully, and their fins and tails are visible as they swim. The coral appears to be healthy and well-maintained, with a variety of shapes and sizes. The rocks are large and rugged, providing a contrast to the softness of the coral. Overall, the video captures the beauty and tranquility of the underwater world.