Dwarf fish which include Guppies and Danios, Corydora catfish, pigmy suckermouths, teams of barbs or tetras Plecostomus catfish, or merely plecos for brief, are a substantial group of South American Catfish that hold out on The underside of lakes and rivers and graze on rocks and driftwood. Plecos are fantastic https://pearlaquatics.my/7-ways-to-keep-fish-pond-clean-healthy/