HomeFish encyclopediaRay-finned fishesPuffers and FilefishesFilefishesRed Sea longnose filefish Red Sea longnose filefish (Oxymonacanthus halli) Scientific name: Oxymonacanthus halli Marshall, 1952 The Red Sea longnose filefish (Oxymonacanthus halli) is a marine fish of the family Monacanthidae. Native range: Western Indian Ocean, Red Sea. BiologyInhabits coral rich fringing reefs and feeds on Acropora polyps.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOxymonacanthus halliFamilyMonacanthidae (Filefishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length7.0EnvironmentMarine; reef-associatedClimateTropicalDistributionWestern Indian Ocean: Red Sea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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