HomeFish encyclopediaRay-finned fishesPricklefishes, Bigscales and GibberfishesBigscale fishes or ridgeheadsBigscale Bigscale (Melamphaes danae) Scientific name: Melamphaes danae Ebeling, 1962 The Bigscale (Melamphaes danae) is a marine fish of the family Melamphaidae. Native range: Indo-Pacific, off Madagascar, throughout Indonesia, north to 25?, in the South Pacific southeastward to 110?W, and in tropical North Pacific. BiologyDorsal spines (total): 3; Dorsal soft rays (total): 14-16; Anal spines: 1; Anal soft rays: 8Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMelamphaes danaeFamilyMelamphaidae (Bigscale fishes or ridgeheads)OrderStephanoberyciformes (Pricklefishes, Bigscales and Gibberfishes)ClassActinopterygii (Ray-finned fishes)Maximum length2.1Depth range75–1275 m (246–4183 ft)EnvironmentMarine; bathypelagic; depth range 75 - 1275 m, usually 125 - 150 mClimateDeep-waterDistributionIndo-Pacific: off Madagascar, throughout Indonesia, north to 25?, in the South Pacific southeastward to 110?W, and in tropical North Pacific.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