Dwarf fish such as Guppies and Danios, Corydora catfish, pigmy suckermouths, groups of barbs or tetras Here are some cool freshwater fish species which you could preserve at your home. Note – not most of these are excellent beginner fish, so listen to the level of treatment expected before making https://pearlaquatics.my/how-to-keep-a-freshwater-aquarium-clean/