Dwarf fish for example Guppies and Danios, Corydora catfish, pigmy suckermouths, groups of barbs or tetras Plecostomus catfish, or simply plecos for brief, are a sizable team of South American Catfish that hang out on The underside of lakes and rivers and graze on rocks and driftwood. Plecos are great https://pearlaquatics.my/product-category/filter/