adult male apistogramma cacatuoides, popular freshwater dwarf cichlid, strong and aggressive species

acidic adult aggressive amazonian america animal apisto apistogramma aqua aquascape aquatic aquatrade blackwater bright business cacatuoides captivity care cichlid cichlidae cockatoo decoration decorative design detail dwarf ecology endangered endemic exotic fauna fish fishkeeping free freshwater habitat hard healthy ichthyology instinct keep light low male mature natural nature neon ornamental parent parental pet popular protection south space species stripe strong tank threat underwater vulnerable water