HomeFish encyclopediaRay-finned fishesEels and MoraysConger and garden eelsDubious conger Dubious conger (Bathycongrus dubius) Scientific name: Bathycongrus dubius Breder, 1927 The Dubious conger (Bathycongrus dubius) is a marine fish of the family Congridae. Native range: Western Atlantic, Georgia, USA to the Guianas, including the Gulf of Mexico and the Caribbean Sea. Species factsScientific nameBathycongrus dubiusFamilyCongridae (Conger and garden eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length44.3Depth range128–886 m (420–2907 ft)EnvironmentMarine; bathydemersal; depth range 128 - 886 mClimateDeep-waterDistributionWestern Atlantic: Georgia, USA to the Guianas, including the Gulf of Mexico and the Caribbean Sea.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