HomeFish encyclopediaRay-finned fishesEels and MoraysConger and garden eelsSwollen-headed conger eel Swollen-headed conger eel (Bassanago bulbiceps) Scientific name: Bassanago bulbiceps Whitley, 1948 The Swollen-headed conger eel (Bassanago bulbiceps) is a marine fish of the family Congridae. Native range: Southwest Pacific. BiologyA benthic species found on soft bottoms on the continental slope.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBassanago bulbicepsFamilyCongridae (Conger and garden eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length50.0Depth range270–1100 m (886–3609 ft)EnvironmentMarine; bathydemersal; depth range 270 - 1100 mClimateDeep-waterDistributionSouthwest Pacific.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