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

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