HomeFish encyclopediaSharks and RaysElectric raysNumbfishesBrown numbfish Brown numbfish (Narcine brunnea) Scientific name: Narcine brunnea Annandale, 1909 The Brown numbfish (Narcine brunnea) is a marine fish of the family Narcinidae. Native range: Indo-West Pacific, off Pakistan to the Gulf of Thailand. BiologyFound in continental waters, both inshore and offshore. Biology little known.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNarcine brunneaFamilyNarcinidae (Numbfishes)OrderTorpediniformes (Electric rays)ClassElasmobranchii (Sharks and Rays)Maximum length22.0EnvironmentMarine; demersalClimateTropicalDistributionIndo-West Pacific: off Pakistan to the Gulf of Thailand.Conservation status (IUCN)Not EvaluatedThreat to humansOtherResilienceLow, minimum population doubling time 4.5 - 14 years (Assuming fecundity SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026