The video depicts an underwater scene, likely within an aquarium or similar artificial environment

The video depicts an underwater scene, likely within an aquarium or similar artificial environment. A pale, flat fish with a long, prominent rostrum (resembling a saw) swims across the upper portion of the frame. In the lower part of the scene, a shark swims past a dark, rocky structure. The water is clear and tinted blue, illuminated by a light source above, with some light reflections visible on the water's surface. A thin rope or cable runs across the top of the frame, possibly part of the tank's structure.