HomeFish encyclopediaRay-finned fishesEels and MoraysConger and garden eelsBlackgut conger Blackgut conger (Gnathophis bathytopos) Scientific name: Gnathophis bathytopos Smith & Kanazawa, 1977 The Blackgut conger (Gnathophis bathytopos) is a marine fish of the family Congridae. Native range: Western Atlantic, Straits of Florida in the USA and southeastern Gulf of Mexico. Species factsScientific nameGnathophis bathytoposFamilyCongridae (Conger and garden eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length35.0Depth range180–370 m (591–1214 ft)EnvironmentMarine; bathydemersal; depth range 180 - 370 mClimateDeep-waterDistributionWestern Atlantic: Straits of Florida in the USA and southeastern Gulf of Mexico.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