Dwarf fish for example Guppies and Danios, Corydora catfish, pigmy suckermouths, teams of barbs or tetras The American Flagfish are subtropical species and can be saved without having a heater in warmer places. Nevertheless, if you reside someplace in which it gets cold for the duration of drop and Winter https://pearlaquatics.my/7-ways-to-keep-fish-pond-clean-healthy/