The video shows a close-up of a coral reef underwater. The coral is green and yellow in color and has a rough texture. There are small fish swimming around the coral, and the water is clear and blue. The coral appears to be healthy and thriving, with no visible signs of damage or disease. The fish are small and appear to be swimming in a group, moving in and out of the frame. The video provides a glimpse into the beauty and diversity of marine life.