HomeFreshwater aquarium fishCatfish & plecosLeopard corydoras Leopard corydoras (Corydoras julii) Scientific name: Corydoras julii Steindachner, 1906 The Leopard corydoras (Corydoras julii) is a freshwater fish of the family Callichthyidae that grows to about 5 cm (2 in). It is peaceful, suits community aquariums and needs a tank of at least 75 L (20 US gal), water at 22–26°C (72–79°F) and a pH of 6.0–8.0. Native range: South America, Lower Amazon River and coastal rivers in northeastern Brazil. Leopard corydoras care at a glanceTemperamentPeacefulCommunity tankExcellentAdult size5 cm (2 in)Minimum tank75 L (20 US gal)Temperature22–26°C (72–79°F)pH6.0–8.0DietOmnivore. Accepts flakes. BiologyFeeds on worms, crustaceans, insects and plant matter. Oviparous.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCorydoras juliiFamilyCallichthyidae (Callichthyid armored catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length5.2EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 2 - 25 demersalClimateTropicalDistributionSouth America: Lower Amazon River and coastal rivers in northeastern Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest; aquarium: highly commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More catfish & plecosCascarudoCallichthys callichthysBluespotted corydorasCorydoras melanistiusPeppered corydorasCorydoras paleatusGlass catfishKryptopterus bicirrhisReticulated corydorasCorydoras reticulatusWhiptail catfishFarlowella acusSee all catfish & plecos Can it live with...?Leopard corydoras and Black ghostLeopard corydoras and Black sharkminnowLeopard corydoras and Blackbarred limiaLeopard corydoras and Bleeding-heart tetraLeopard corydoras and Bloodfin tetraLeopard corydoras and Bluespotted corydorasLeopard corydoras and Brilliant rasboraLeopard corydoras and Butterfly splitfinLeopard corydoras and CascarudoLeopard corydoras and Chinese suckerLeopard corydoras and Clown barbLeopard corydoras and Clown loachLeopard corydoras and Clown rasboraLeopard corydoras and Crescent bettaLeopard corydoras and Dwarf botiaLeopard corydoras and Dwarf rainbowfishLeopard corydoras and Eel LoachLeopard corydoras and Emerald catfishLeopard corydoras and Forktail rainbowfishLeopard corydoras and Gangetic leaffishLeopard corydoras and Garnet tetraLeopard corydoras and Glass catfishLeopard corydoras and Glowlight tetraLeopard corydoras and Goldeneye cichlidLeopard corydoras and Head-and-taillight tetraLeopard corydoras and Horseface loachLeopard corydoras and Indian glassy fishLeopard corydoras and Lake Kutubu rainbowfishLeopard corydoras and MosquitofishLeopard corydoras and Northern trout gudgeon 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