HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsSwallow grenadier Swallow grenadier (Sphagemacrurus hirundo) Scientific name: Sphagemacrurus hirundo Collett, 1896 The Swallow grenadier (Sphagemacrurus hirundo) is a marine fish of the family Macrouridae. Native range: Eastern Central Atlantic, Azores, Madeira and Cape Verde. Species factsScientific nameSphagemacrurus hirundoFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length21.0Depth range1266–2330 m (4154–7644 ft)EnvironmentMarine; bathydemersal; depth range 1266 - 2330 mClimateDeep-waterDistributionEastern Central Atlantic: Azores, Madeira and Cape Verde.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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