HomeFish encyclopediaRay-finned fishesKnifefishesGhost knifefishesCrampton?s tube-snouted ghost knifefish Crampton?s tube-snouted ghost knifefish (Sternarchorhynchus cramptoni) Scientific name: Sternarchorhynchus cramptoni de Santana & Vari, 2010 The Crampton?s tube-snouted ghost knifefish (Sternarchorhynchus cramptoni) is a freshwater fish of the family Apteronotidae. Native range: South America, Brazil. BiologyJuveniles captured along the margins of main river channels in v?rzea; adults captured in the main channels of the sampled rivers (de Santana, pers. observ.).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSternarchorhynchus cramptoniFamilyApteronotidae (Ghost knifefishes)OrderGymnotiformes (Knifefishes)ClassActinopterygii (Ray-finned fishes)Maximum length33.1EnvironmentFreshwater; benthopelagicClimateTropicalDistributionSouth America: Brazil.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