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 visible in the background. The colors of the fish and coral are vibrant and varied, creating a beautiful underwater scene. 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 well-maintained, with different textures and colors. The lighting in the aquarium highlights the colors of the fish and coral, making them stand out against the blue background of the water.