HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsRockfishes, rockcods and thornyheadsBigeye sea perch Bigeye sea perch (Helicolenus barathri) Scientific name: Helicolenus barathri Hector, 1875 The Bigeye sea perch (Helicolenus barathri) is a marine fish of the family Sebastidae. Native range: Southwest Pacific, New Zealand and Australia. BiologyFound on the continental shelf and continental slope. Benthic. Viviparous.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHelicolenus barathriFamilySebastidae (Rockfishes, rockcods and thornyheads)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)EnvironmentMarine; bathydemersalClimateDeep-waterDistributionSouthwest Pacific: New Zealand and Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, 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