silver flying fox search for food in gravel, aquatic plants in a beautiful freshwater ryoboku detail, amano style

algae alternanthera aquaculture aquafarming aquarium aquascape behaviour blur blyxa characin clearwater closeup conditions controlled crossocheilus cultivation cyprinidae decorative depth driftwood easy eater ecology ecosystem exotic fishkeeping flora free habitat hard hardscape healthy hedyotis helferi hobby illustration japonica nature ornamental pet photosynthesis pogostemon popular reineckii relax reticulatus salzmannii shop space studio texture trimming tropical understanding underwater vegetation vulnerable water weed work