Dwarf fish like Guppies and Danios, Corydora catfish, pigmy suckermouths, groups of barbs or tetras The American Flagfish are subtropical species and may be kept with out a heater in hotter parts. Having said that, if you live somewhere where it gets cold for the duration of tumble and winter https://pearlaquatics.my/tips-to-follow-when-installing-a-fish-tank-malaysia/