HomeFish encyclopediaRay-finned fishesCatfishSea catfishesBlue salmon catfish Blue salmon catfish (Neoarius graeffei) Scientific name: Neoarius graeffei Kner & Steindachner, 1867 The Blue salmon catfish (Neoarius graeffei) is a freshwater fish of the family Ariidae. In the aquarium it needs water at 24–32°C (75–90°F). Native range: Western Pacific, northern Australia and southern New Guinea. Blue salmon catfish care at a glanceTemperature24–32°C (75–90°F) BiologyDorsal spines (total): 1; Dorsal soft rays (total): 7; Anal spines: 0; Anal soft rays: 15 - 19Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNeoarius graeffeiFamilyAriidae (Sea catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length60.0EnvironmentMarine; freshwater; brackish;; pH range: 7.5 - 8.2; dH range: 18 - 30 demersal; anadromousClimateTropicalDistributionWestern Pacific: northern Australia and southern New Guinea.Conservation status (IUCN)Not EvaluatedThreat to humansTraumatogenicResilienceLow, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026