HomeFish encyclopediaRay-finned fishesAnglerfishesDreamersWhalehead dreamer Whalehead dreamer (Lophodolos acanthognathus) Scientific name: Lophodolos acanthognathus Regan, 1925 The Whalehead dreamer (Lophodolos acanthognathus) is a marine fish of the family Oneirodidae. Native range: Tropical to temperate parts of all oceans. BiologyDorsal soft rays (total): 5-7; Anal soft rays: 4 - 6. Describes female specimens (males not yet known). Caudal fin rounded. Dark brown to black in color, parts of the esca unpigmented and silvery-white.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLophodolos acanthognathusFamilyOneirodidae (Dreamers)OrderLophiiformes (Anglerfishes)ClassActinopterygii (Ray-finned fishes)Maximum length7.9Depth range0–1050 m (0–3445 ft)EnvironmentMarine; bathypelagic; depth range 0 - 1050 m, usually 650 - ? mClimateDeep-waterDistributionTropical to temperate parts of all oceans.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