HomeFreshwater aquarium fishTetras & characinsSilver hatchetfish Silver hatchetfish (Gasteropelecus levis) Scientific name: Gasteropelecus levis Eigenmann, 1909 The Silver hatchetfish (Gasteropelecus levis) is a freshwater fish of the family Gasteropelecidae. Native range: South America, lower Amazon River basin in Brazil. BiologyFeeds on worms, crustaceans and insects. Aquarium specimens reach 6.0 cm TL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGasteropelecus levisFamilyGasteropelecidae (Freshwater hatchetfishes)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length3.5EnvironmentFreshwater; pelagicClimateTropicalDistributionSouth America: lower Amazon River basin in Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercial More tetras & characinsRiver hatchetfishGasteropelecus sterniclaBlackwing hatchetfishCarnegiella marthaeMarbled hatchetfishCarnegiella strigataRedspotted tetraCopeina guttataBlackline penguinfishThayeria boehlkeiGolden pencilfishNannostomus beckfordiSee all tetras & characins SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026