HomeFish encyclopediaRay-finned fishesSawbelliesSlimeheadsNew Zealand roughy New Zealand roughy (Aulotrachichthys novaezelandicus) Scientific name: Aulotrachichthys novaezelandicus Kotlyar, 1980 The New Zealand roughy (Aulotrachichthys novaezelandicus) is a marine fish of the family Trachichthyidae. Native range: Southwest Pacific, New Zealand and Australia. BiologyFeeds on mid-water crustaceans, squid and fishes.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAulotrachichthys novaezelandicusFamilyTrachichthyidae (Slimeheads)OrderBeryciformes (Sawbellies)ClassActinopterygii (Ray-finned fishes)Depth range30–100 m (98–328 ft)EnvironmentMarine; demersal; depth range 30 - 100 mClimateTemperateDistributionSouthwest Pacific: New Zealand and Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 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