endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...
to
Cameroon
Cameroon (; french: Cameroun, ff, Kamerun), officially the Republic of Cameroon (french: République du Cameroun, links=no), is a country in west- central Africa. It is bordered by Nigeria to the west and north; Chad to the northeast; th ...
, where it occurs in the
Niger River
The Niger River ( ; ) is the main river of West Africa, extending about . Its drainage basin is in area. Its source is in the Guinea Highlands in south-eastern Guinea near the Sierra Leone border. It runs in a crescent shape through Mali ...
basin at
Bamenda
Bamenda, also known as Abakwa and Mankon Town, is a city in northwestern Cameroon and capital of the Northwest Region. The city has a population of about 2 million people and is located north-west of the Cameroonian capital, Yaoundé. Bamenda is ...