HomeFreshwater aquarium fishCatfish & plecosAmazon sailfin catfish Amazon sailfin catfish (Pterygoplichthys pardalis) Scientific name: Pterygoplichthys pardalis Castelnau, 1855 The Amazon sailfin catfish (Pterygoplichthys pardalis) is a freshwater fish of the family Loricariidae that grows to about 13 cm (5.1 in). It is easy to keep and peaceful, suits community aquariums and needs a tank of at least 475 L (125 US gal), water at 25–30°C (77–86°F) and a pH of 7.0–7.5. Native range: South America, : Lower Amazon River region. Amazon sailfin catfish care at a glanceCare levelEasyTemperamentPeacefulCommunity tankGoodAdult size13 cm (5.1 in)Minimum tank475 L (125 US gal)Temperature25–30°C (77–86°F)pH7.0–7.5Hardness10–20 dGH (178–357 ppm)DietOmnivore. Accepts algae wafers and vegetables. Species factsScientific namePterygoplichthys pardalisFamilyLoricariidae (Armored catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length42.3EnvironmentFreshwater;; pH range: 7.0 - 7.5; dH range: 10 - 20 demersalClimateTropicalDistributionSouth America: Lower, middle and upper Amazon River basin. Introduced to countries outside its native range.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; aquarium: commercial More catfish & plecosMystus tengaraChannel catfishIctalurus punctatusPhilippine catfishClarias batrachusSuckermouth catfishHypostomus plecostomusGhost CatfishKryptopterus minorElectric catfishMalapterurus electricusSee 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