HomeFish encyclopediaSharks and RaysElectric raysSleeper raysNatal electric ray Natal electric ray (Heteronarce garmani) Scientific name: Heteronarce garmani Regan, 1921 The Natal electric ray (Heteronarce garmani) is a marine fish of the family Narkidae. Native range: Western Indian Ocean, southern Mozambique to Algoa Bay, South Africa. BiologySmall ray with an elongated, narrow disc and a small, narrow caudal fin. Plain brown above, white below.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHeteronarce garmaniFamilyNarkidae (Sleeper rays)OrderTorpediniformes (Electric rays)ClassElasmobranchii (Sharks and Rays)Maximum length25.0Depth range73–329 m (240–1079 ft)EnvironmentMarine; demersal; depth range 73 - 329 mClimateSubtropicalDistributionWestern Indian Ocean: southern Mozambique to Algoa Bay, South Africa.Conservation status (IUCN)Vulnerable (VU) (A2d+4d)Threat to humansOtherUsesFisheries: of no interestResilienceLow, 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