Crowdstar claims Wonderhill swiped its "Happy Aquarium" game, in which 26 million Facebook users take care of virtual fish in virtual tanks, in a copyright complaint in San Francisco Federal Court.

All the Latest Game Footage and Images from Fish Tycoon 2: Virtual Aquarium Greetings Tycoons! Your favorite mobile game is now available on Windows & Mac! Are you as excited as we are? Happy Fishing!