HomeFreshwater aquarium fishCatfish & plecosThreestripe corydoras Threestripe corydoras (Corydoras trilineatus) Scientific name: Corydoras trilineatus Cope, 1872 The Threestripe corydoras (Corydoras trilineatus) is a freshwater fish of the family Callichthyidae that grows to about 6 cm (2.4 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, Campoma- and Buena Vista Lagoons in Venezuela. Threestripe corydoras care at a glanceCare levelEasyTemperamentPeacefulCommunity tankExcellentAdult size6 cm (2.4 in)Temperature22–26°C (72–79°F)pH6.0–8.0Hardness5–19 dGH (89–339 ppm)DietOmnivore. Accepts flakes, wafers, frozen foods and live foods. BiologyAquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCorydoras trilineatusFamilyCallichthyidae (Callichthyid armored catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length6.1EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 5 - 19 demersalClimateTropicalDistributionSouth America: Central Amazon River basin; Peruvian Amazon and coastal drainages of Suriname.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 & plecosRust corydorasCorydoras rabautiPygmy corydorasCorydoras pygmaeusXingu corydorasCorydoras xinguensisPorthole catfishDianema longibarbisPretty corydorasCorydoras pulcherFlagtail catfishDianema urostriatumSee 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