The video shows a vibrant underwater scene with a variety of fish swimming around a coral reef. The fish are of different sizes and colors, including a black and white striped fish, a yellow fish, and a red fish. The coral reef is covered in green algae, and there are rocks and other marine life visible in the background. The fish are swimming calmly, occasionally darting in and out of the coral. The water is clear, and the lighting is bright, highlighting the colors of the fish and the coral.