royal farlowella catfish, peaceful and useful cute freshwater algae eater species, macro portrait on white sand bottom

adult algae america animal aqua aquarist aquatic balance biological biotic bottom bottomdweller breed catfish clear closeup cute decorative design diversity driftwood eater ecology ecosystem farlowella fauna fish fishkeeping freshwater habitat headshot instinct leaf litter little loricariidae macro natural nature nocturnal ornamental panama panamense peaceful pet planted popular portrait protection royal sand south species stream sturisoma sturisomatichthys suckermouth tank threat underwater useful valuable water whiptail white widespread