HomeMarine aquarium fishEels, lionfish & predatorsCalifornia moray California moray (Gymnothorax mordax) Scientific name: Gymnothorax mordax Ayres, 1859 The California moray (Gymnothorax mordax) is a marine fish of the family Muraenidae. Native range: Eastern Pacific, Point Conception in California, USA to southern Baja California in Mexico. Also known from the Galapagos Islands. BiologyDorsal spines (total): 0; Anal spines: 0; Vertebrae: 146 - 154Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGymnothorax mordaxFamilyMuraenidae (Moray eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length152Depth range1–40 m (3–131 ft)EnvironmentMarine; demersal; depth range 1 - 40 mClimateSubtropicalDistributionEastern Pacific: Point Conception in California, USA to southern Baja California in Mexico. Also known from the Galapagos Islands.Conservation status (IUCN)Not EvaluatedThreat to humansTraumatogenicUsesFisheries: subsistence fisheries; aquarium: public aquariumsResilienceLow, minimum population doubling time 4.5 - 14 years (tmax=30) More eels, lionfish & predatorsRed lionfishPterois volitansChain morayEchidna catenataTiger snake eelMyrichthys maculosusGoldspotted eelMyrichthys ocellatusUndulated morayGymnothorax undulatusMediterranean morayMuraena helenaSee all eels, lionfish & predators SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026