The video shows a close-up of a fish in an aquarium. The fish has a white body with black spots and long, flowing fins. It is swimming around the tank, occasionally coming up to the glass and looking directly at the camera. The fish's movements are graceful and smooth, and its fins undulate gently as it swims. The aquarium appears to be well-maintained, with clear water and no visible debris. The lighting in the tank highlights the fish's colors and patterns, making them stand out against the dark background.