HomeFreshwater aquarium fishCatfish & plecosTete sea catfish Tete sea catfish (Ariopsis seemanni) Scientific name: Ariopsis seemanni G?nther, 1864 The Tete sea catfish (Ariopsis seemanni) is a freshwater fish of the family Ariidae. In the aquarium it needs water at 22–26°C (72–79°F). Native range: Central and South America, Pacific draining rivers and estuaries from Mexico to Peru. Tete sea catfish care at a glanceTemperature22–26°C (72–79°F) BiologyCommon in coastal marine and brackish waters. Inhabits medium and large rivers to an elevation of at least 25 m. Marketed fresh or salted. Aquarium keeping: not suitable for home aquarium; adults in seawater; minimum aquarium size >150 cm.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAriopsis seemanniFamilyAriidae (Sea catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length35.0EnvironmentMarine; freshwater; brackish;; pH range: 6.8 - 8.0; dH range: 8 - 30 demersalClimateTropicalDistributionCentral and South America: Pacific draining rivers and estuaries from Mexico to Peru.Conservation status (IUCN)Least Concern (LC)Threat to humansTraumatogenicUsesFisheries: commercial; aquarium: public aquariumsResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More catfish & plecosMystus leucophasisPimelodus ornatusHognosed brochisBrochis multiradiatusPictus catPimelodus pictusCorydoras agassiziiSiamese algae-eaterGyrinocheilus aymonieriSee 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