HomeFreshwater aquarium fishCatfish & plecosAtipa Atipa (Hoplosternum littorale) Scientific name: Hoplosternum littorale Hancock, 1828 The Atipa (Hoplosternum littorale) is a freshwater fish of the family Callichthyidae that grows to about 24 cm (9.4 in). It is easy to keep and peaceful, suits community aquariums and needs a tank of at least 210 L (55 US gal), water at 22–28°C (72–82°F) and a pH of 6.5–7.5. Native range: South America, most river drainages north of Buenos Aires, Argentina. Atipa care at a glanceCare levelEasyTemperamentPeacefulCommunity tankExcellentAdult size24 cm (9.4 in)Minimum tank210 L (55 US gal)Temperature22–28°C (72–82°F)pH6.5–7.5Hardness6–22 dGH (107–393 ppm)DietOmnivore. Accepts flakes, sinking pellets, frozen foods and live foods. BiologyInhabits swamps. During the rainy season, adults consume a great quantity of chironomids associated with detritus. During the dry season, they feed mostly on terrestrial insects, micro-crustaceans, aquatic Diptera, and detritus. Absorbs a great quantity of anaerobic bacteria from the substrate. First reproduction occurs after one year. Used to be cultured commercially in Guyana. Cultured in Trinidad on a semi-commercial scale.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHoplosternum littoraleFamilyCallichthyidae (Callichthyid armored catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length24.0Depth range1 m (3 ft)EnvironmentFreshwater; demersal; depth range 1 - ? mClimateSubtropicalDistributionSouth America: Most Cis-Andean South American river drainages north of Buenos Aires, Argentina.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; aquaculture: commercial; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tmax=4; K=0.6-1.3; Fec = 5,000) More catfish & plecosLeporacanthicus triactisPterygoplichthys scrophusWidehead catfishClarotes laticepsLeporacanthicus galaxiasPterygoplichthys joselimaianusAcanthicus adonisSee 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