HomeFreshwater aquarium fishCatfish & plecosBlue-eye catfish Blue-eye catfish (Platydoras hancockii) Scientific name: Platydoras hancockii Valenciennes, 1840 The Blue-eye catfish (Platydoras hancockii) is a freshwater fish of the family Doradidae. In the aquarium it needs water at 23–28°C (73–82°F). Native range: South America, Guyana and eastern Brazil to Peru and Bolivia. Blue-eye catfish care at a glanceTemperature23–28°C (73–82°F) BiologyDorsal spines (total): 1; Dorsal soft rays (total): 6; Anal soft rays: 11 - 13. The body is a little elongated, without scales but with a lateral range of 24 to 28 bony plaque. Head is large and rounded. Mouth is nearly terminal and has three pairs of barbels.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePlatydoras hancockiiFamilyDoradidae (Thorny catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length15.0EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 5 - 19 demersalClimateTropicalDistributionSouth America: Guyana and eastern Brazil to Peru 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 & plecosWhitebarred catfishAgamyxis pectinifronsRaphael catfishPlatydoras costatusGuitarritaBunocephalus coracoideusSpotted corydorasCorydoras ambiacusSkunk corydorasCorydoras arcuatusPink corydorasCorydoras axelrodiSee all catfish & plecos SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026