HomeFish encyclopediaRay-finned fishesEels and MoraysConger and garden eelsLongeye conger Longeye conger (Gnathophis bracheatopos) Scientific name: Gnathophis bracheatopos Smith & Kanazawa, 1977 The Longeye conger (Gnathophis bracheatopos) is a marine fish of the family Congridae. Native range: Western Atlantic, South Carolina to Florida in the USA and eastern Gulf of Mexico. Species factsScientific nameGnathophis bracheatoposFamilyCongridae (Conger and garden eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length35.0Depth range55–110 m (180–361 ft)EnvironmentMarine; demersal; depth range 55 - 110 mClimateTropicalDistributionWestern Atlantic: South Carolina to Florida in the USA and eastern 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