HomeFish encyclopediaRay-finned fishesSawbelliesSlimeheadsRoughy Roughy (Trachichthys australis) Scientific name: Trachichthys australis Shaw, 1799 The Roughy (Trachichthys australis) is a marine fish of the family Trachichthyidae. Native range: Indo-Pacific, Prevalent off southwest Australia, in the Great Australian Bight, and in the waters off Tasmania, New South Wales and south Queensland. BiologyFound in coastal shallow water. Also in.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTrachichthys australisFamilyTrachichthyidae (Slimeheads)OrderBeryciformes (Sawbellies)ClassActinopterygii (Ray-finned fishes)Maximum length15.0Depth range1557 m (5108 ft)EnvironmentMarine; reef-associated; depth range ? - 1557 mClimateDeep-waterDistributionIndo-Pacific: Prevalent off southwest Australia, in the Great Australian Bight, and in the waters off Tasmania, New South Wales and south Queensland.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceLow, 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