Alien jellyfish drift gracefully in a surreal ocean, surrounded by a sci-fi ambiance, with intense dramatic lighting casting god rays through the water. Underwater particles and bubbles enhance the eerie aesthetic of this aquatic scene, illuminated by vivid colors. The setting is captured in stunning detail, UHD, HDR, 8K quality, with the jellyfish's ethereal glow and otherworldly textures adding an element of wonder and mystery to the fantastical underwater landscape.