Killifish of Africa
The ten families of African killifish, per Huber (2005)
Kilifishes of Ghana: Fundulosoma thierryi (left), Pronothibranchius seymouri, (bottom) and Epiplatys bifasciatus (top right).
This page functions to some extent as a key. If you're trying to identify a certain African killifish just click on the fish it looks most like above.
Ref per: http://www.killi-data.org/zz-discoverPyramidal.htm