HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesBarbeled dragonfishesSpothead dragonfish Spothead dragonfish (Melanostomias paucilaternatus) Scientific name: Melanostomias paucilaternatus Parin & Pokhil'skaya, 1978 The Spothead dragonfish (Melanostomias paucilaternatus) is a marine fish of the family Stomiidae. Native range: South Atlantic, known only from two locations, 18?S,14?W and 27?S,3?E. Also known in the tropical waters of the Indo-West Pacific. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 13-16; Anal spines: 0; Anal soft rays: 16 - 18Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMelanostomias paucilaternatusFamilyStomiidae (Barbeled dragonfishes)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length20.1Depth range1000 m (3281 ft)EnvironmentMarine; pelagic-oceanic; depth range ? - 1000 mClimateTropicalDistributionSouth Atlantic: known only from two locations, 18?S,14?W and 27?S,3?E. Also known in the tropical waters of the Indo-West Pacific.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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