HomeFreshwater aquarium fishOther freshwater fishOld wife Old wife (Enoplosus armatus) Scientific name: Enoplosus armatus White, 1790 The Old wife (Enoplosus armatus) is a brackish-water fish of the family Enoplosidae. Native range: Indo-Pacific, Endemic to Australia. BiologyDorsal spines: 9; Dorsal soft rays: 14-15; Anal spines: 3; Anal soft rays: 14 - 15; Vertebrae: 26. Adults are silver to brown with black vertical stripes.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEnoplosus armatusFamilyEnoplosidae (Oldwife)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length50.0Depth range90 m (295 ft)EnvironmentMarine; brackish; reef-associated; depth range ? - 90 mClimateTemperateDistributionIndo-Pacific: Endemic to Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; aquarium: commercial More other freshwater fishLined soleAchirus lineatusPumpkinseedLepomis gibbosusShort-tailed pipefishMicrophis brachyurus brachyurusFinescale tigerfishDatnioides microlepisFreshwater garfishXenentodon cancilaSouth American lungfishLepidosiren paradoxaSee all other freshwater fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026