Lithoxancistrus yekuana
Lithoxancistrus yekuana is a species of catfish in the family Loricariidae.
L. yekuana was described in 2007 by Nathan K. Lujan, Mark H. Sabaj Pérez, and Jonathan W. Armbruster in the genus Pseudancistrus alongside another species, P. pectegenitor, which was later moved to the monotypic genus Colossimystax. Its specific epithet, yekuana, refers to the Ye'kuana people who inhabit parts of Venezuela and Brazil, including the upper Ventuari.