Euchilichthys royauxi
Euchilichthys royauxi is a species of upside-down catfish native to the Congo Basin of Angola, Cameroon, the Democratic Republic of the Congo and Zambia. This species grows to a length of TL. "Euchilichthys royauxi" was named by George Albert Boulenger in 1902 from specimens taken in the Ubangi, its specific name "royauxi" is in honor of the Belgian officer Louis Joseph Royaux who led the expedition that collected the type specimen.