1. R

    Help me with tetras?

    I'm experienced in fishkeeping. I'm redoing my aquarium, and having a tetra tank of about 100 tetras. I know the general rule is 6+ per kind of tetra. Would I be able to do 4 of each kind up to 100 fish? Would this work? I know less than 6 of each kind usually means there could be aggression but...