Zoo Tycoon fans can add to the allure of their parks as Microsoft Game Studios and developer Blue Fang today announced the availability of the Atlantis Theme Pack. The Pack contains the following Atlantean items: a gift shop, three undersea ruins, a new tank wall, two unique decorative fences, a statue, urn and archway. Blue Fang is also introducing a new animal to the Zoo Tycoon world - the barracuda. Both the Atlantis Theme Pack and the barracuda can be downloaded by visiting the official Zoo Tycoon site. The Pack requires players to either have Zoo Tycoon: Marine Mania or the 10.9 update to Zoo Tycoon, which can be downloaded here!