Dream Aquarium is a next-generation virtual aquarium & screensaver that brings the beauty of lush freshwater aquariums to your computer with unsurpassed realism.
Features

· The most realistic fish motion and behavior of any virtual aquarium.
· A fiddler crab that cleans the bottom of the aquarium and chases fish.
· Fish have articulated fins, moving eyes, gills and mouth.
· Beautiful shifting light rays, ground ripples, gently waving plants that fish can swim into, soft shadows cast by fish, configurable bubble streams, auto or manual feeding.
· Add well over a hundred fish (from 23 species), and change settings without having to exit the aquarium.
· Widescreen formatting, multi-monitor support & much more!

OS: Windows XP/Vista/Seven (x86/x64)

Homepage - http://www.dreamaquarium.com/