HomeFish encyclopediaRay-finned fishesVelifers, Tube-eyes and RibbonfishesCrestfishesUnicornfish Unicornfish (Lophotus capellei) Scientific name: Lophotus capellei Temminck & Schlegel, 1845 The Unicornfish (Lophotus capellei) is a marine fish of the family Lophotidae. Native range: Northwest Pacific, Japan. Southwest Pacific: New Zealand. Widely distributed in warm waters of the Atlantic and Pacific. Species factsScientific nameLophotus capelleiFamilyLophotidae (Crestfishes)OrderLampriformes (Velifers, Tube-eyes and Ribbonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length200EnvironmentMarine; bathypelagicClimateDeep-waterDistributionNorthwest Pacific: Japan. Southwest Pacific: New Zealand. Widely distributed in warm waters of the Atlantic and Pacific.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026