HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesBarbeled dragonfishesTwinray dragonfish Twinray dragonfish (Eustomias satterleei) Scientific name: Eustomias satterleei Beebe, 1933 The Twinray dragonfish (Eustomias satterleei) is a marine fish of the family Stomiidae. Species factsScientific nameEustomias satterleeiFamilyStomiidae (Barbeled dragonfishes)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length14.9EnvironmentMarine; bathypelagicClimateDeep-waterDistributionAtlantic, Indian and Pacific: 40-20?N and 80-30?W in the North Atlantic; near 20?S and 30?W in the South Atlantic; near Hawaii and scattered locations in the western and southern Pacific; two stations in the southern Indian Ocean.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, 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