HomeFreshwater aquarium fishCatfish & plecosAdolf's catfish Adolf's catfish (Corydoras adolfoi) Scientific name: Corydoras adolfoi Burgess, 1982 The Adolf's catfish (Corydoras adolfoi) is a freshwater fish of the family Callichthyidae that grows to about 5.7 cm (2.2 in). It is easy to keep and peaceful, suits community aquariums and needs water at 21–26°C (70–79°F) and a pH of 6.0–8.0. Native range: South America, Brazil, in the Rio Negro and Rio Uaup?s. Lives along banks of slow-moving rivers with sandy bottoms. Adolf's catfish care at a glanceCare levelEasyTemperamentPeacefulCommunity tankExcellentAdult size5.7 cm (2.2 in)Temperature21–26°C (70–79°F)pH6.0–8.0Hardness2–25 dGH (36–446 ppm)DietOmnivore. Accepts pellets, algae wafers, frozen foods, live foods and bloodworms. Species factsScientific nameCorydoras adolfoiFamilyCallichthyidae (Callichthyid armored catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length5.7EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 2 - 25 demersalClimateTropicalDistributionSouth America: Negro River basin.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More catfish & plecosCorydoras armatusSalt and Pepper catfishCorydoras habrosusFalse spotted catfishCorydoras leucomelasGreen gold catfishCorydoras melanotaeniaSchwartz's catfishCorydoras schwartziFalse network catfishCorydoras sodalisSee 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