HomeFish encyclopediaRay-finned fishesCusk eelsCusk-eelsThread brotula Thread brotula (Neobythites stelliferoides) Scientific name: Neobythites stelliferoides Gilbert, 1890 The Thread brotula (Neobythites stelliferoides) is a marine fish of the family Ophidiidae. Native range: Eastern Central Pacific, northern Gulf of California to off northern Peru. BiologyCommon species. Oviparous, with oval pelagic eggs floating in a gelatinous mass.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNeobythites stelliferoidesFamilyOphidiidae (Cusk-eels)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Depth range90–310 m (295–1017 ft)EnvironmentMarine; benthopelagic; depth range 90 - 310 mClimateDeep-waterDistributionEastern Central Pacific: northern Gulf of California to off northern Peru.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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