I hav a 78g tank with 2 albino oscars. I'm interested in monos this days. But both are from different water.one fresh another brakish. But I have seen monos are kept several times in freshwater tank in my LFS.even when I go through youtube also seen there oscars and monos kept together.so here my question is can I keep them together? if yes what kind of water is good for them to keep together?need suggessions.thanx