super reds possibly there supposed to be more agressive than rbps and they shoal quite nicely i saw some a few weeks ago in a store and they where labelled snakeskin piranha LOL i guess it was some kind of sales gimic
Super reds are actually thought to be the same as a regular Pygocentrus nattereri. Just thought to be a different genetic strain that produces more vivid reds. some homies actually said their super reds color faded as time passed.....
if your just going to get the piranha's because of their feriousness then you are going to be very disappointed.....they only piranhas you can keep together are in the pygo family......rhoms cant be kept together so you could only have a solitary one in the tank or else they will kill each other