I've always thought aquariums as screensavers were a no-brainer. Most are lacking, limiting themselves to small fish you'd find in just about any aquarium, freshwater or salt water. MyReef 3D Aquarium ...

SereneScreen Marine Aquarium is a realistic, high-definition screensaver that converts your computer screen into a vibrant, colorful saltwater aquarium. You can choose from 27 different exotic fish ...