HomeFish encyclopediaRay-finned fishesEels and MoraysMoray eelsMarbled moray Marbled moray (Uropterygius macularius) Scientific name: Uropterygius macularius Lesueur, 1825 The Marbled moray (Uropterygius macularius) is a marine fish of the family Muraenidae. Native range: Western Atlantic, southern Florida (USA), Bahamas, and Yucatan, Mexico to northern Brazil. BiologyUsually mottled, sometimes uniformly dark, always has pale marks on head and pale rims on sensory pores on head.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameUropterygius maculariusFamilyMuraenidae (Moray eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length30.0EnvironmentMarine; reef-associated, usually ? - 30 mClimateSubtropicalDistributionWestern Atlantic: southern Florida (USA), Bahamas, and Yucatan, Mexico to northern 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