HomeFish encyclopediaRay-finned fishesEels and MoraysConger and garden eelsFroghead eel Froghead eel (Coloconger raniceps) Scientific name: Coloconger raniceps Alcock, 1889 The Froghead eel (Coloconger raniceps) is a marine fish of the family Congridae. Native range: Indo-West Pacific, East Africa ad Madagascar to the western Pacific, north to southern Japan. Species factsScientific nameColoconger ranicepsFamilyCongridae (Conger and garden eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length50.0Depth range300–1134 m (984–3720 ft)EnvironmentMarine; bathydemersal; depth range 300 - 1134 mClimateDeep-waterDistributionIndo-West Pacific: East Africa ad Madagascar to the western Pacific, north to southern Japan.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026