Free Aqua Zoo Wait, wait - you mean, you don't know what a mouthbrooder or a paramecium is? Then it's high time that you dive into Free Aqua Zoo, the latest browser game by Upjers. Why? Well, simply because Free Aqua Zoo offers you an exceptional aqua game that revolves entirely around colorful, friendly little fish. Yeah, that's right, we're talking about fish, for they are the real stars of this free browser based online game. But it's not really about your normal, everyday, run-of-the-mill fish - we've managed to collect a really exceptional mix of extravagant fish here. Mouthbrooders and paramecium are just part of the menu - though of course, it's not your job to eat, but feed and tend to them here.