HomeFreshwater aquarium fishCatfish & plecosGray corydoras Gray corydoras (Corydoras griseus) Scientific name: Corydoras griseus Holly, 1940 The Gray corydoras (Corydoras griseus) is a freshwater fish of the family Callichthyidae. In the aquarium it needs water at 22–26°C (72–79°F). Native range: South America, Amazon River basin. Gray corydoras care at a glanceTemperature22–26°C (72–79°F) Species factsScientific nameCorydoras griseusFamilyCallichthyidae (Callichthyid armored catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length4.2EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 2 - 25 demersalClimateTropicalDistributionSouth America: Amazon River basin.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More catfish & plecosGuapore corydorasCorydoras guaporeElegant corydorasCorydoras elegansMosaic corydorasCorydoras haraldschultziBarredtail corydorasCorydoras cochuiDwarf corydorasCorydoras hastatusTailspot corydorasCorydoras caudimaculatusSee all catfish & plecos SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026