HomeFish encyclopediaSharks and RaysElectric raysSleeper raysQuilon electric ray Quilon electric ray (Heteronarce prabhui) Scientific name: Heteronarce prabhui Talwar, 1981 The Quilon electric ray (Heteronarce prabhui) is a marine fish of the family Narkidae. Native range: Western Indian Ocean, Arabian Sea. Species factsScientific nameHeteronarce prabhuiFamilyNarkidae (Sleeper rays)OrderTorpediniformes (Electric rays)ClassElasmobranchii (Sharks and Rays)Depth range300 m (984 ft)EnvironmentMarine; demersal; depth range 300 - 300 mClimateTropicalDistributionWestern Indian Ocean: Arabian Sea.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessResilienceLow, 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