Introducing Aquarium 4K, an innovative and insanely beautiful wallpaper application. Aquarium 4K features more than twenty stunning themes, with each theme featuring breathtaking 4K video and beautiful, cutting-edge widgets. 4K videos include a huge variety of exotic fish; including: stingrays, jellyfish, catfish, clown fish, lion fish, sea horses, alligators, and much more! Also visit a variety of locations around the world, such as the Great Barrier Reef, the Bahamas Barrier Reef, Thailand, and more. And if you're going to be away from your computer for a while, Aquarium 4K includes an optional screen-saver mode! Aquarium 4K also features a super efficient video player foundation that can play full 4K videos while consuming on average 5% CPU per display, so it's not only insanely beautiful, but ridiculously efficient as well.