HomeFish encyclopediaRay-finned fishesCodsEel codsSmallhead moray cod Smallhead moray cod (Notomuraenobathys microcephalus) Scientific name: Notomuraenobathys microcephalus Norman, 1937 The Smallhead moray cod (Notomuraenobathys microcephalus) is a marine fish of the family Muraenolepididae. Native range: Southern Ocean, Scotia Sea (South Georgia, South Sandwich, South Orkney, and South Shetland islands), northern part of Antarctic Peninsula, and Enderby coast. BiologyDorsal spines (total): 0; Anal spines: 0; Vertebrae: 83 - 85. The body is highly elongated, slender, depth less than 13% SL; 83-85 vertebrae; no anal lateral line; dorsal lateral line highly reduced and represented only by 1-3 tubular scales; infraorbital canal with 9 pores; preopercular-mandibular canal with 10 pores (7 in its mandibular branch, 3 in the preopercular branch).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNotomuraenobathys microcephalusFamilyMuraenolepididae (Eel cods)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Common length27.0Depth range1976–3040 m (6483–9974 ft)EnvironmentMarine; bathypelagic; depth range 1976 - 3040 mClimateDeep-waterDistributionSouthern Ocean: Scotia Sea (South Georgia, South Sandwich, South Orkney, and South Shetland islands), northern part of Antarctic Peninsula, and Enderby coast.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026