The video shows a colorful underwater scene with a variety of fish swimming around a coral reef. The fish are of different sizes and colors, including yellow, blue, and red. The coral reef is made up of various shapes and sizes of rocks and coral, creating a vibrant and lively underwater landscape. The fish are seen swimming in different directions, some alone and some in groups, exploring the nooks and crannies of the reef. The water is clear, and the lighting highlights the bright colors of the fish and the coral.