HomeFish encyclopediaRay-finned fishesEels and MoraysConger and garden eelsDeepwater conger Deepwater conger (Xenomystax atrarius) Scientific name: Xenomystax atrarius Gilbert, 1891 The Deepwater conger (Xenomystax atrarius) is a marine fish of the family Congridae. Native range: Eastern Pacific, southern Canada to Chile. Species factsScientific nameXenomystax atrariusFamilyCongridae (Conger and garden eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length100.0Depth range165–935 m (541–3068 ft)EnvironmentMarine; bathydemersal; depth range 165 - 935 mClimateDeep-waterDistributionEastern Pacific: southern Canada to Chile.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