Cichlidogyrus centesimus is a species of Monopisthocotylean Monogenean, belonging in the family Dactylogyridae. It was first found infecting the gills of Ophthalmotilapia ventralis in Lake Tanganyika. It can be differentiated from its cogenerates by possessing a spirally coiled thickening at the end of its penis, the accessory piece in the genital apparatus being nonexistent, and a particular uncinuli configuration in its haptor.