top view of green and red aquatic plants cover surface, in bright led light, freshwater ryoboku aquascape

algae aquaculture aquafarming aquarium behaviour blur clearwater closeup conditions controlled cultivation decorative depth design detail driftwood dubyana easy ecology ecosystem exotic fishkeeping flora free habitat hard hardscape healthy hobby illustration ludwigia nature ornamental peaceful pet photosynthesis pistia popular reflection relax repens rubin sale shop space species stratiotes studio texture trimming tropical understanding underwater vesicularia vulnerable water weed work