HomeFish encyclopediaRay-finned fishesEels and MoraysMoray eelsPygmy moray Pygmy moray (Anarchias similis) Scientific name: Anarchias similis Lea, 1913 The Pygmy moray (Anarchias similis) is a marine fish of the family Muraenidae. BiologySmall, varies from uniformly dark brown to blotched. Irregular pattern of pale marks on lower side of head and chin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAnarchias similisFamilyMuraenidae (Moray eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Depth range0–200 m (0–656 ft)EnvironmentMarine; reef-associated; depth range 0 - 200 mClimateTropicalDistributionWestern Atlantic: Bermuda and southern Florida, USA to southern Brazil. Eastern Atlantic: known only from Annobon Island, but likely to be present on other offshore islands in the Bay of Biafra. Northwest Atlantic: Canada.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