HomeFish encyclopediaRay-finned fishesAnglerfishesDreamersSpiny dreamer Spiny dreamer (Oneirodes acanthias) Scientific name: Oneirodes acanthias Gilbert, 1915 The Spiny dreamer (Oneirodes acanthias) is a marine fish of the family Oneirodidae. Native range: Eastern Pacific, Gulf of Alaska, off continental USA and Mexico. BiologyFeeds heavily on crustaceans. Males are not parasitic on females.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOneirodes acanthiasFamilyOneirodidae (Dreamers)OrderLophiiformes (Anglerfishes)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Depth range0–1750 m (0–5741 ft)EnvironmentMarine; bathypelagic; depth range 0 - 1750 mClimateDeep-waterDistributionEastern Pacific: Gulf of Alaska, off continental USA and Mexico.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026