We have a tropical tank which has been established for over 2 years now and we had quite a selection of peaceful community fish,then I added a red eyed red tailed puffer who has systematically killed off all the fish, but one dwarfe gourami and a bulldog plec. The puffer then upped and died so now I am looking to add some colourful peaceful fish. I would like some tetras (neons or something similar), and some male guppies and some plattys. Can all these fish live together?. If I just get males (can't do with all the babies) can I get more than 1 guppy?. Can anyone suggest any other fish to add that would look nice and get on with the fish already at home in the tank?. Also I have a weather Loach that is going to go back in now that the puffer is no more.