Dwarf fish including Guppies and Danios, Corydora catfish, pigmy suckermouths, groups of barbs or tetras Most Central and South American cichlids is often saved with many different aquarium vegetation, but African species are tougher to pair resulting from h2o parameters. It isn't really impossible though! See entire write-up → In https://pearlaquatics.my/aquarium-tank-fish-mate-trial-and-test-your-perfect-tank-mates/