adult wild submissive male apistogramma mendezi, rare freshwater dwarf cichlid in aggressive pose, blackwater rio negro biotope

acidic adult aggressive america animal apisto apistogramma aqua aquarium aquascape aquatic aquatrade biotope blackwater brazil breeding bright business captive care caught cichlid cichlidae conditions controlled decoration decorative design detail dwarf eco ecology endemic exotic fauna fish fishkeeping free freshwater habitat hard healthy import instinct keep light low male mature mendezi natural nature negro ornamental pet pose protection rare rio south space stripe submissive tank threat underwater vulnerable water wild