Sub-Saharan Africa West and Central Africa), or sometimes extending from the coast of West Africa to Western Sudan. Its equivalent in Southeast Africa was "Zanj" ("Country of the Blacks"), which was situated in the vicinity of the Great Lakes region. The geographers drew an explicit ethnographic distinction between the Sudan region and its analogue Zanj, from the area to their extreme east on the Red Sea coast in the Horn of Africa. In modern-day Ethiopia and Eritrea was "Al-Habash" or Abyssinia, which was inhabited by the "Habash" or Abyssinians, who were the forebears of the Habesha. In northern Somalia was "Barbara" or
Horn of Africa species total and about 90 species which are found exclusively in the region. Among endemic reptile genera, there are "Haackgreerius", "Haemodracon", "Ditypophis", "Pachycalamus" and "Aeluroglena". Half of these genera are uniquely found on Socotra. Unlike reptiles, amphibians are poorly represented in the region. There are about 100 species of freshwater fish in the Horn of Africa, about 10 of which are endemic. Among the endemic, the cave-dwelling Somali blind barb and the Somali cavefish can be found. It is estimated that about 5,000 species of vascular plants are found in the Horn, about half of which are endemic. Endemism is