The south-central black rhinoceros (Diceros bicornis minor), also known as the south-central hook-lipped rhinoceros or the lesser black rhino, is a subspecies of the black rhinoceros. In keeping with the rules of zoological nomenclature, the south-central black rhinoceros should be known as Diceros bicornis keitloa (Smith, 1836), a nomen novum.Although it is the most numerous of the black rhino subspecies, it is nevertheless designated as critically endangered on the IUCN’s red list. Like other black rhino subspecies, it has a prehensile lip and lives in savanna habitat.