The video shows a group of pipefish swimming in the ocean. The pipefish have long, slender bodies with black and white stripes and red and white spots on their tails. They are seen swimming in and out of the coral reefs, which are covered in various types of coral and marine plants. The water is clear, and the sunlight filters through, creating a beautiful underwater scene. The pipefish move gracefully and seem to be exploring their surroundings.