Mac users interested in Serenescreen marine aquarium generally download:
SereneScreen Marine Aquarium 3 is finally available for download and purchase! Your Marine Aquarium 3 keycode will entitle you to download future updates to the Aquarium. MA3 is not just an update to previous versions - the entire program has been re-written from the ground up as a full 3D environment, taking advantage of the increased capabilities of modern video cards.
Marine Aquarium is a program designed for Mac that displays a fish tank on your desktop. The application provides you with accurate information about various fish species, gives you access to many display and sound settings, and shows a calendar and a clock in the background.