HomeFish encyclopediaRay-finned fishesKnifefishesGhost knifefishesKokraimoro tube-snouted ghost knifefish Kokraimoro tube-snouted ghost knifefish (Sternarchorhynchus kokraimoro) Scientific name: Sternarchorhynchus kokraimoro de Santana & Vari, 2010 The Kokraimoro tube-snouted ghost knifefish (Sternarchorhynchus kokraimoro) is a freshwater fish of the family Apteronotidae. Native range: South America, Brazil (known only from the Cachoeira de Kaituk? in the Rio Xingu). BiologyLittle information is available about the type locality other than that it was a rapids area in the northern portions of the Rio Xingu.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSternarchorhynchus kokraimoroFamilyApteronotidae (Ghost knifefishes)OrderGymnotiformes (Knifefishes)ClassActinopterygii (Ray-finned fishes)Maximum length19.7EnvironmentFreshwater; benthopelagicClimateTropicalDistributionSouth America: Brazil (known only from the Cachoeira de Kaituk? in the Rio Xingu).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