Fish aren’t the one amazing creatures that live in fish tanks. Amphibians and invertebrates make great Animals way too! Plecostomus catfish, or merely plecos for short, are a large group of South American Catfish that dangle out on the bottom of lakes and rivers and graze on rocks and driftwood. https://pearlaquatics.my/how-do-aquarists-benefit-from-a-good-aquarium-shop/