HomeFish encyclopediaRay-finned fishesBeardfishesBeardfishesSilver eye Silver eye (Polymixia japonica) Scientific name: Polymixia japonica G?nther, 1877 The Silver eye (Polymixia japonica) is a marine fish of the family Polymixiidae. Native range: Western Pacific, Sagami Bay, Japan to the East China Sea; Chesterfield Islands. Eastern Pacific: Hawaiian Islands. BiologyDorsal spines (total): 4 - 6; Dorsal soft rays (total): 31-35; Anal spines: 4; Anal soft rays: 13 - 17; Vertebrae: 29Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePolymixia japonicaFamilyPolymixiidae (Beardfishes)OrderPolymixiiformes (Beardfishes)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Common length20.0Depth range160–628 m (525–2060 ft)EnvironmentMarine; bathypelagic; depth range 160 - 628 mClimateDeep-waterDistributionWestern Pacific: Sagami Bay, Japan to the East China Sea; Chesterfield Islands. Eastern Pacific: Hawaiian Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2-4) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026