HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesBarbeled dragonfishesDana viperfish Dana viperfish (Chauliodus danae) Scientific name: Chauliodus danae Regan & Trewavas, 1929 The Dana viperfish (Chauliodus danae) is a marine fish of the family Stomiidae. Native range: Eastern Atlantic, Portugal south to Cape Verde. Western Atlantic: Gulf of Mexico and eastern Caribbean Sea. Northwest Atlantic: Canada. BiologyDorsal soft rays (total): 6; Anal soft rays: 10 - 11. Dorsal fin posterior. Small photophores between the lateral and ventral rows of large serial organs consistently spaced between successive large organs. Dark, sometimes paler below. Body marked with five rows of hexagonal pigment areas.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChauliodus danaeFamilyStomiidae (Barbeled dragonfishes)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length15.0Depth range500 m (1640 ft)EnvironmentMarine; bathypelagic; oceanodromous; depth range ? - 500 mClimateDeep-waterDistributionEastern Atlantic: Portugal south to Cape Verde. Western Atlantic: Gulf of Mexico and eastern Caribbean Sea. Northwest Atlantic: Canada.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026