dwarf gourami, artificial selection form of trichogaster chuna, freshwater aquatrade species from asia, nano tank best choice

active aggressive animal aqua aquarium aquatic aquatrade artificial asia background beauty beginner best breeding bright care choice chuna clear common community concept concern curious decorative dof dwarf ecology fauna favourite fish fishkeeping form free freshwater gourami healthy hobby honey ichthyology image instinct least lips macro mature mouth nano natural nature nonaggressive osphronemidae postcard protection selection shallow side soft space species tank tanks threat trichogaster tropical underwater vibrant water