HomeFish encyclopediaRay-finned fishesWhalefishesFlabby whalefishesFestive ribbonfish Festive ribbonfish (Eutaeniophorus festivus) Scientific name: Eutaeniophorus festivus Bertelsen & Marshall, 1956 The Festive ribbonfish (Eutaeniophorus festivus) is a marine fish of the family Cetomimidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 16-20; Anal spines: 0; Anal soft rays: 15 - 18. Purple in color but preserved specimens turn brownish. Branchiostegal rays: 3-5+4.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEutaeniophorus festivusFamilyCetomimidae (Flabby whalefishes)OrderCetomimiformes (Whalefishes)ClassActinopterygii (Ray-finned fishes)Maximum length5.3Depth range0–200 m (0–656 ft)EnvironmentMarine; bathypelagic; depth range 0 - 200 mClimateDeep-waterDistributionCircumglobal: In tropical to subtropical waters; except eastern Central Pacific. Eastern Atlantic: four records between 25?N and 5?S. Western Indian Ocean: Mozambique Channel.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026