HomeFish encyclopediaRay-finned fishesEels and MoraysMoray eelsMany-spotted moray Many-spotted moray (Uropterygius polystictus) Scientific name: Uropterygius polystictus Myers & Wade, 1941 The Many-spotted moray (Uropterygius polystictus) is a marine fish of the family Muraenidae. Native range: Eastern Pacific, Mexico and the Galapagos Islands. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. Covered with large dark purplish-brown spots arranged in 2 to 3 irregular series on a reddish- tan background.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameUropterygius polystictusFamilyMuraenidae (Moray eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length72.0Depth range35 m (115 ft)EnvironmentMarine; reef-associated; depth range ? - 35 mClimateTropicalDistributionEastern Pacific: Mexico and the Galapagos Islands.Conservation status (IUCN)Data deficient (DD)Threat 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