Petrocephalus balayi Sauvage holotype MNHN A-6297, Ogôoué River, Gabon.

Petrocephalus balayi Sauvage holotype MNHN A-6297, Ogôoué River, Gabon.
Photographer: Wilhelm HarderRights holder: ETI BioInformatics / Wilhelm Harder

Petrocephalus balayi Sauvage holotype MNHN A-6297, Ogôoué River, Gabon. Image from W. Harder's "Mormyridae and other Osteoglossomorpha" CD-ROM published by ETI BioInformatics, Amsterdam.