The video shows a close-up of a clownfish swimming in an aquarium. The fish is predominantly orange with white stripes outlined in black, and it has a distinctive yellow mouth. The clownfish is seen swimming around and occasionally brushing against the tentacles of a sea anemone, which is pink and white in color. The background is blurred, but it appears to be a blue aquarium setting. The video is shot in high definition, and the colors are vibrant and clear.