Dwarf fish including Guppies and Danios, Corydora catfish, pigmy suckermouths, teams of barbs or tetras The eel-like Snakehead fish is actually a pure predator- this sort of a powerful one which they have in fact been labeled as an invasive species in many places. The preferred freshwater sharks are rainbow https://pearlaquatics.my/what-are-the-steps-for-routine-maintenance-for-your-fish-pond/