HomeFish encyclopediaRay-finned fishesEels and MoraysConger and garden eelsSlender conger Slender conger (Uroconger lepturus) Scientific name: Uroconger lepturus Richardson, 1845 The Slender conger (Uroconger lepturus) is a marine fish of the family Congridae. Native range: Indo-West Pacific, Red Sea and Natal, South Africa to Japan. BiologyVertebrae: 210. Light grey-brown, lighter ventrally, fins darker. Head small. Skin soft, without scales. Dorsal originating slightly beyond tip of pectoral fin. Pectoral fin short. Anal fin inserted before middle of the body.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameUroconger lepturusFamilyCongridae (Conger and garden eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length52.0Common length30.0Depth range18–760 m (59–2493 ft)EnvironmentMarine; demersal; depth range 18 - 760 mClimateTropicalDistributionIndo-West Pacific: Red Sea and Natal, South Africa to Japan.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceMedium, 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