Petrocephalus microphthalmus is a species of electric fish in the family Mormyridae, found in the Sanaga River in the north to the more southern Kouilou-Niari River, including the rivers Ntem and Ogowe. It's also found in the middle Congo River basin, downstream up to the lower Congo River near Brazzaville and southwards towards Angola.[1]
This species reaches a length of 5.2cm (02inches).