Here is an update on the tank. I now have four Hoplarchus psittacus along with a chocolate cichlid, a rotkiel severum and a raphael catfish in a 120 gallon tank (4x2x2). I have only had the parrots for a little over two months and during that time they grown around an inch, maybe more, and definitely put on some bulk. I think they are all around 6 inches at this point. I haven't seen anything close to a pair forming yet. Here are some pictures of the tank and its inhabitants
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