The video shows a group of fish swimming in the ocean. The water is clear and blue, and the fish are of different sizes and colors. Some of the fish have stripes, while others are solid colored. The fish are swimming around the coral reef, which is visible in the background. The reef is made up of various shapes and sizes of rocks and coral. The fish are moving in different directions, some are swimming close to the camera while others are further away. The light from the sun is shining through the water, creating a beautiful and serene underwater scene.