Illustration of the type specimen of Gnathonemus (=Marcusenius) mento Boulenger 1890, 190 mm SL.
![Illustration of the type specimen of Gnathonemus (=Marcusenius) mento Boulenger 1890, 190 mm SL.](https://mormyrids.efishgenomics.com/sites/default/files/styles/large/public/MRAC_mento_boulenger001.jpg?itok=tzZ6oS8A)
Description:
Illustration of the type specimen of Gnathonemus (=Marcusenius) mento Boulenger 1890, 190 mm SL. From Boulenger 1909.
. Photographer: Boulenger, G.A.. Publisher: Sullivan, John P..
Creator:
Boulenger, G.A.
Taxonomic name: