GnathonemusGnathonemus is a genus of freshwater ray-finned fishes belonging to the family Mormyridae, the elephantfishes. The fishes in this genus are found in subsaharan Africa.SpeciesThere are currently four recognized species in this genus: Gnathonemus barbatus Poll 1967 Gnathonemus echidnorhynchus Pellegrin 1924 Gnathonemus longibarbis ''Gnathonemus petersii''