The video shows a blue fish swimming in the ocean near a coral reef. The fish is seen swimming around the reef, and at one point, it swims near a black and white fish. The blue fish has a long body and a pointed nose, and it moves gracefully through the water. The coral reef is made up of various shades of brown and orange, and it provides a beautiful backdrop for the blue fish. The water is clear, and the sunlight filters through, creating a serene and peaceful atmosphere.