HomeFish encyclopediaRay-finned fishesEels and MoraysMoray eelsWhite-spotted moray White-spotted moray (Muraena argus) Scientific name: Muraena argus Steindachner, 1870 The White-spotted moray (Muraena argus) is a marine fish of the family Muraenidae. Native range: Eastern Pacific, Mexico to Peru and the Galapagos Islands. BiologyInhabits deep, rocky, boulder strewn areas and walls. Lurks in holes, crevices and dark recesses. Constantly opens and closes its mouth, an action required for respiration, not a threat.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMuraena argusFamilyMuraenidae (Moray eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length120Common length60.0Depth range18–60 m (59–197 ft)EnvironmentMarine; reef-associated; depth range 18 - 60 mClimateTropicalDistributionEastern Pacific: Mexico to Peru and the Galapagos Islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026