I have a handfull of platy's I want out of my tank. I have seen hundreds of them in mountain ponds in Hawaii and it gets pretty cold up there. I have a pond at the ex's house, have had white clouds and Florida flagfish in there for years. Temps do get into low 50's in winter but they thrive. So ... think the platy's would make it or better to PIF them or take them to lfs ?