HomeFish encyclopediaRay-finned fishesEels and MoraysDuckbill eelsDuck-billed eel Duck-billed eel (Nettastoma parviceps) Scientific name: Nettastoma parviceps G?nther, 1877 The Duck-billed eel (Nettastoma parviceps) is a marine fish of the family Nettastomatidae. BiologyVertebrae: 230. SO5 pore normally absent. Lateral line pores 49-58. Median vomerine teeth not enlarged. Posterior nostril above posterodorsal corner of eye. Other characteristics: Color gray; vertical fins black-edged; snout gray-black; iris and opercular regions silver.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNettastoma parvicepsFamilyNettastomatidae (Duckbill eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length82.0Depth range60–1190 m (197–3904 ft)EnvironmentMarine; benthopelagic; depth range 60 - 1190 mClimateDeep-waterDistributionIndo-Pacific: bitemperate distribution, recorded from Japan, Hawaii, eastern Australia, and southeastern Africa. Southeast Pacific: Chile. Rare or absent in equatorial waters.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceLow, minimum population doubling time 4.5 - 14 years (Assuming tmax>10) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026