Dwarf fish such as Guppies and Danios, Corydora catfish, pigmy suckermouths, groups of barbs or tetras Plecostomus catfish, or perhaps plecos for brief, are a substantial group of South American Catfish that cling out on The underside of lakes and rivers and graze on rocks and driftwood. Plecos are excellent https://pearlaquatics.my/product-category/aquarium-submersible-pump/