jellyfish glowing and swimming in the serene dark ocean, selective focus

invertebrate animal organism blue underwater coral reef jellyfish fish organ purple azure glowing swimming serene dark ocean selective focus beautiful life creature tranquility undersea aquarium transparent deep aquatic exotic marine colourful dangerous science illuminated wallpaper translucent toxic tropic horizontal graphic float fantasy aqua colours motion magical moving dancing elegant mystical rainbow luminosity night scene paradise radiant vibrant elegance diving whimsical red warm background