HomeFreshwater aquarium fishCatfish & plecosMosaic corydoras Mosaic corydoras (Corydoras haraldschultzi) Scientific name: Corydoras haraldschultzi Knaack, 1962 The Mosaic corydoras (Corydoras haraldschultzi) is a freshwater fish of the family Callichthyidae that grows to about 5.9 cm (2.3 in). It is easy to keep and peaceful, suits community aquariums and needs water at 24–28°C (75–82°F) and a pH of 6.0–8.0. Native range: South America, sandy-bottomed streams in the Amazon basin. Mosaic corydoras care at a glanceCare levelEasyTemperamentPeacefulCommunity tankGoodAdult size5.9 cm (2.3 in)Temperature24–28°C (75–82°F)pH6.0–8.0Hardness2–25 dGH (36–446 ppm)DietOmnivore. Accepts flakes. Species factsScientific nameCorydoras haraldschultziFamilyCallichthyidae (Callichthyid armored catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length5.9EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 2 - 25 demersalClimateTropicalDistributionSouth America: Brazil and Bolivia.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 guaporeDwarf corydorasCorydoras hastatusMasked corydorasCorydoras metaeBlue corydorasCorydoras nattereriElegant corydorasCorydoras elegansPanda corydorasCorydoras pandaSee 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