Scanning electron microscopy was used to study the female surface morphological characteristics of the mouth opening (lips and such adjacent structures as amphids, papillae and chitinous ribbed flaps), caudal area (vulva, anus), and eggs with filaments on poles of the pharyngodonid species Cithariniella khalili Petter, Vassiliadès et Troncy, 1972, obtained from Synodontis frontosa Vaillant at Lake Turkana in north-western Kenya.