3D Rocky Reef for Mac

From Unique 3D Screensavers:

3D Rocky Reef has realistic animations of moray eels, manta rays, angelfish, clownfish, lionfish and more. Background is an rocky reef with moray eel holes and crevices and ridges where the fish can hide. Oyster reef in foreground adds additional realism and depth. Has aquarium bubble sounds. Want a soothing nighttime scene? Just set the time of day to nighttime and a dark shadowy blue hue is cast on everything. Prefer a dusky sunset scene? The dusk setting produces a deep orange hue. Have fun customizing this screen saver to your preferences: tint, brightness, time of day settings, sound mute and volume control. Screensaver contains animated gif images.