HomeFreshwater aquarium fishCatfish & plecosCorydoras agassizii Corydoras agassizii Scientific name: Corydoras agassizii Steindachner, 1876 Corydoras agassizii is a freshwater fish of the family Callichthyidae that grows to about 5.2 cm (2 in). It is easy to keep and peaceful, suits community aquariums and needs water at 22–26°C (72–79°F) and a pH of 6.0–8.0. Native range: South America, Amazon River basin near border of Peru and Brazil. . Corydoras agassizii care at a glanceCare levelEasyTemperamentPeacefulCommunity tankGoodAdult size5.2 cm (2 in)Temperature22–26°C (72–79°F)pH6.0–8.0Hardness2–25 dGH (36–446 ppm)DietOmnivore. Accepts flakes. Species factsScientific nameCorydoras agassiziiFamilyCallichthyidae (Callichthyid armored catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length5.2EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 2 - 25 demersalClimateTropicalDistributionSouth America: Amazon River basin near border of Peru and Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More catfish & plecosPictus catPimelodus pictusHognosed brochisBrochis multiradiatusPimelodus ornatusMystus leucophasisSiamese algae-eaterGyrinocheilus aymonieriLeopard plecoPterygoplichthys gibbicepsSee 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