mechanical shark, giant size, metallic texture, sharp teeth, robotic eyes, steel fins, underwater scene, coral reef, sunken ship, dynamic pose, attacking motion, advanced weaponry, futuristic design, silver and dark gray color scheme, illuminated control panel, hydraulic joints, 3/4 view, dramatic lighting, high detail, action-packed, science fiction theme, deep sea ambiance, bubbles, rust and wear details, cybernetic enhancements, aggressive stance, large propeller tail, menacing presence, submerged ruins background, wide-angle lens effect.