HomeFish encyclopediaRay-finned fishesCusk eelsViviparous brotulasBaldhead cusk Baldhead cusk (Fiordichthys paxtoni) Scientific name: Fiordichthys paxtoni Nielsen & Cohen, 1986 The Baldhead cusk (Fiordichthys paxtoni) is a marine fish of the family Bythitidae. Native range: Southwest Pacific, off eastern Australia. Species factsScientific nameFiordichthys paxtoniFamilyBythitidae (Viviparous brotulas)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length7.4Depth range165–275 m (541–902 ft)EnvironmentMarine; benthopelagic; depth range 165 - 275 mClimateDeep-waterDistributionSouthwest Pacific: off eastern Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, minimum population doubling time less than 15 months (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