(Boulengeromyrus knoepffleri)
The Knoepffler's elephantfish (Boulengeromyrus knoepffleri) is a species of elephantfish in the family Mormyridae being the only member of its genus. It occurs only in the Ivindo River and the Ntem River basins of Gabon and Cameroon. It reaches a maximum length of about 41 cm (16 in).