HomeFish encyclopediaRay-finned fishesEels and MoraysMoray eelsPolygon moray Polygon moray (Gymnothorax polygonius) Scientific name: Gymnothorax polygonius Poey, 1875 The Polygon moray (Gymnothorax polygonius) is a marine fish of the family Muraenidae. Native range: Eastern Atlantic, Madeira and Cape Verde. Western Central Atlantic: Cuba and Trindade Island in Brazil. BiologyFound in coastal waters in rocky habitats.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGymnothorax polygoniusFamilyMuraenidae (Moray eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length84.0Depth range10–256 m (33–840 ft)EnvironmentMarine; demersal; depth range 10 - 256 m, usually 50 - ? mClimateTropicalDistributionEastern Atlantic: Madeira and Cape Verde. Western Central Atlantic: Cuba and Trindade Island in Brazil.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