This video showcases a computer-generated animation of an underwater scene. The main focus is on a group of orange and white striped clownfish, which are swimming around in the water. The clownfish are seen swimming in different directions, with some moving towards the camera and others moving away. The background of the video features a blue ocean with a sandy bottom, and there are tall green plants swaying in the water. The animation is smooth, with the clownfish moving in a realistic manner.