HomeFreshwater aquarium fishCatfish & plecosCorydoras sterbai Corydoras sterbai Scientific name: Corydoras sterbai Knaack, 1962 Corydoras sterbai is a freshwater fish of the family Callichthyidae that grows to about 6.5 cm (2.6 in). It is easy to keep and peaceful, suits community aquariums and needs a tank of at least 75 L (20 US gal), water at 23–28°C (73–82°F) and a pH of 6.0–7.2. Native range: South America, Central Brazil and Bolivia. Corydoras sterbai care at a glanceCare levelEasyTemperamentPeacefulCommunity tankGoodAdult size6.5 cm (2.6 in)Minimum tank75 L (20 US gal)Temperature23–28°C (73–82°F)pH6.0–7.2Hardness2–25 dGH (36–446 ppm)DietOmnivore. Accepts flakes. Species factsScientific nameCorydoras sterbaiFamilyCallichthyidae (Callichthyid armored catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length6.8EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 2 - 25 demersalClimateTropicalDistributionSouth America: central Brazil and Bolivia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: potentialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More catfish & plecosFalse network catfishCorydoras sodalisSchwartz's catfishCorydoras schwartziGreen gold catfishCorydoras melanotaeniaFalse spotted catfishCorydoras leucomelasSalt and Pepper catfishCorydoras habrosusCorydoras armatusSee all catfish & plecos SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0. Aquarium care parameters compiled, checked and converted to metric and imperial units by Guppies.za.net.Last updated 28 September 2026