Thanks for replying. I am gonna get five platy fish. I was thinking of cory cats though the substrate I am using is eco full (It's a planted tank) caped with medium sized gravel. Given that These are held with each other in a good dimension shoal, their aggression should http://kamerongwnqm.newsbloger.com/11641222/the-definitive-guide-to-best-fish-for-planted-tank