HomeFish encyclopediaRay-finned fishesEels and MoraysMoray eelsLarge-spotted snake moray Large-spotted snake moray (Uropterygius polyspilus) Scientific name: Uropterygius polyspilus Regan, 1909 The Large-spotted snake moray (Uropterygius polyspilus) is a marine fish of the family Muraenidae. Native range: Indo-Pacific, Red Sea and East Africa to the Hawaiian and Society islands. BiologyCovered with large dark purplish-brown spots arranged in 2-3 irregular series on a reddish-tan background. Closely resembles Scuticaria tigrina which has dark spots of differing sizes.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameUropterygius polyspilusFamilyMuraenidae (Moray eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length72.0Depth range1–18 m (3–59 ft)EnvironmentMarine; reef-associated; depth range 1 - 18 mClimateTropicalDistributionIndo-Pacific: Red Sea and East Africa to the Hawaiian and Society islands.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