The video shows a vibrant underwater scene with a large fish swimming around a coral reef. The fish is a light blue color with a sleek body and fins. The coral reef is a mix of green and brown colors, with various shapes and sizes. The fish moves gracefully through the water, occasionally swimming close to the camera. The reef is teeming with life, with small fish and other sea creatures visible in the background. The water is clear, allowing for a detailed view of the underwater landscape.