HomeFish encyclopediaRay-finned fishesCusk eelsCusk-eelsLetter opener Letter opener (Ophidion nocomis) Scientific name: Ophidion nocomis Robins & B?hlke, 1959 The Letter opener (Ophidion nocomis) is a marine fish of the family Ophidiidae. Native range: Western Central Atlantic, Bahamas to Puerto Rico. Recently reported from Tobago and Barbados. BiologyUncommon species found on shallow sandy bays. Oviparous, with oval pelagic eggs floating in a gelatinous mass.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOphidion nocomisFamilyOphidiidae (Cusk-eels)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length8.7Depth range1–22 m (3–72 ft)EnvironmentMarine; demersal; depth range 1 - 22 mClimateTropicalDistributionWestern Central Atlantic: Bahamas to Puerto Rico. Recently reported from Tobago and Barbados.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026