The video shows a large aquarium filled with various types of fish and coral. The fish are swimming around the tank, and the coral is growing on the sides of the tank. The colors of the fish and coral are vibrant, and the water is clear. The fish are of different sizes and shapes, and some are swimming in groups while others are swimming alone. The coral appears to be healthy and is in various shades of purple, pink, and green. The lighting in the tank highlights the colors of the fish and coral, making them stand out against the background.