Pisc of new baby RBP's

Good-looking fish. How are they getting along with each other? When I got my first piranhas they were vicious for the first few weeks (I guess there were either 6 or 7 of them, but the tank was too small at first so that might have been the major reason). Tank setup looks nice too.
 
They get along pretty well, of course they chase and nip a little bit. At first they nipped alot but it has settled down now. One of them actually has a severe eye wound that I think it'll lose its eye to. Looks more like it was a puncture wound from a rock than a bite.
 
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