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

algae animal aqua aquarium aquatic aquatrade black care clear closeup conditions controlled driftwood ecology endangered exotic fauna filtration fish fishkeeping free funny guinea habitat ichthyology indonesia instinct lake low macro murky native natural nature paskai pet pico plant protection pseudomugil pseudomugilidae river shy space swamp tank threat tiny tropical underwater unusual vegetation vulnerable water weed wild