HomeFreshwater aquarium fishTetras & characinsGlass headstander Glass headstander (Charax gibbosus) Scientific name: Charax gibbosus Linnaeus, 1758 The Glass headstander (Charax gibbosus) is a freshwater fish of the family Characidae. In the aquarium it needs water at 24–27°C (75–81°F). Native range: South America, Essequibo River basin, Guyana and coastal rivers of Suriname. Glass headstander care at a glanceTemperature24–27°C (75–81°F) Species factsScientific nameCharax gibbosusFamilyCharacidae (Characins)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length12.5EnvironmentFreshwater;; pH range: 6.0 - 7.5; dH range: ? - 25 benthopelagicClimateTropicalDistributionSouth America: Essequibo River basin, Guyana and coastal rivers of Suriname.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsCochu's blue tetraBoehlkea fredcochuiRedflank bloodfinAphyocharax rathbuniDarter characinCharacidium fasciatumRummy-nose tetraHemigrammus rhodostomusEmber tetraHyphessobrycon amandaeOrnate tetraHyphessobrycon bentosiSee 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