Petrocephalus similis is a species of electric fish in the family Mormyridae, found in the Djérem River, in the upper Sanaga basin in Cameroon.Lavoué, S. (2011): A new species of Petrocephalus Marcusen 1854 (Osteoglossomorpha: Mormyridae) from the Sanaga River basin, Cameroon. Zootaxa, 2934: 20-28.
Size This species reaches a length of .
Etymology The Latin similis means "like" or "resembling", referring to its resemblance to P. sullivani.
References