HomeFish encyclopediaRay-finned fishesKnifefishesGhost knifefishesYepez? tube-snouted ghost knifefish Yepez? tube-snouted ghost knifefish (Sternarchorhynchus yepezi) Scientific name: Sternarchorhynchus yepezi de Santana & Vari, 2010 The Yepez? tube-snouted ghost knifefish (Sternarchorhynchus yepezi) is a freshwater fish of the family Apteronotidae. Native range: South America, central portions of the R?o Orinoco basin in Venezuela; possibly extending to the Peruvian Amazon. Species factsScientific nameSternarchorhynchus yepeziFamilyApteronotidae (Ghost knifefishes)OrderGymnotiformes (Knifefishes)ClassActinopterygii (Ray-finned fishes)Maximum length28.0EnvironmentFreshwater; benthopelagicClimateTropicalDistributionSouth America: central portions of the R?o Orinoco basin in Venezuela; possibly extending to the Peruvian Amazon.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026