Alien jellyfish gracefully drift through a mystical ocean, their luminescent bodies casting an ethereal glow. The sci-fi scene is bathed in dramatic lighting, with god rays piercing the water's surface, illuminating vibrant, otherworldly creatures. Underwater particles and bubbles dance around them, enhancing the eerie aesthetic. The aquatic environment bursts with vivid colors and intricate details, all captured in stunning UHD, HDR, and 8K clarity, revealing a mesmerizing, fantastical underwater world.