Beautiful realistic Salt Water Fish Tank has sea anenomes, swaying plants, a treasue chest that emits bubbles, an animated side tank filter, colorful salt water fishes and more! Demo version screen saver expires in 7 days. Has aquarium bubble sounds. Want a soothing nightime scene? Just set the time of day to nightime and a dark shadowy blue hue is cast on everything. Prefer a dusky sunset scene? The dusk setting produces a deep orange hue. Demo contains full set of features. Have fun customizing this screen saver to your preferences including tint, brightness, time of day settings, sound mute and volume control. Screensaver contains animated gif images. Available at a substantial per screen saver discount when purchased in a set. Also available as a 3D animated eCard. NOTE: When you buy this OS 8 and 9 version you can request a free OS X version.