The video shows a clownfish swimming around in an aquarium. The fish is black and white and is seen swimming around the rocks and coral in the tank. The aquarium is well-lit, and the fish moves gracefully through the water. The clownfish is the only fish visible in the video, and it appears to be healthy and active. The tank is decorated with various types of coral and rocks, creating a natural habitat for the fish. The water is clear, and bubbles can be seen rising to the surface, indicating that the tank is well-oxygenated. Overall, the video provides a peaceful and calming view of the clownfish in its environment.