Not that there is anything super special about Queensland but I believe this first guy is probably one of the best people around when it comes to providing good information about Aquaponics.
Here's a guy who also knows Aquaponics and he is a prolific writer to his Blog complete with videos so you will be seeing him turn up here quite regularly I hope....
My Aquaponics system. this is The before video – before I rebuild it and extend it. It Will give you a basic insight into.... http://strainguide.org/6104/aquaponics-6/
Here is another one of the special people on the www who freely give information (and I'm so glad they do)