topmouth gudgeon, common freshwater dwarf fish from east, highly adaptable and enduring species search and find tasty food

adaptable adult aggressive animal aqua aquadesign aquarium aquatic asia asian biotope bottom captive clear closeup common conditions controlled curious cyprinid dangerous deathly decorative destructive dwarf east ecology enduring fauna find fish fishkeeping food freshwater gobioninae gravel gudgeon harmful highly invasive local moroko nano native natural nature omnivorous parva predator pseudorasbora river sand search species stone swim tank tasty threat topmouth underwater unusual water weed widespread wild wildlife