paska`s blue eye, young and colorful adults, popular freshwater ornamental dwarf fish in european planted blackwater aqua

acidic adults algae animal aqua aquadesign aquarium aquatic aquatrade black blackwater blue care clear closeup colorful conditions controlled dark driftwood dwarf ecology endangered european exotic eye fauna filtration fish fishkeeping free freshwater funny guinea habitat ichthyology indonesia instinct lake low macro murky nano native natural nature ornamental paskai paskas pet pico plant planted popular protection pseudomugil pseudomugilidae river shy space swamp tank tannins threat tiny tropical underwater unusual vegetation vulnerable water weed wild young