HomeFish encyclopediaRay-finned fishesPerch-like fishMedusafishesBarrelfish Barrelfish (Hyperoglyphe perciformis) Scientific name: Hyperoglyphe perciformis Mitchill, 1818 The Barrelfish (Hyperoglyphe perciformis) is a marine fish of the family Centrolophidae. BiologyLives in deep water over continental slopes. Adults in submarine canyons, young more widely found in surface layers and may occur at times close inshore docks. Young to 30 cm common in large groups during summer and autumn under floating boards, boxes and barrels. Does not associate with medusae. Adults probably schooling in depths but not on the bottom. Feed on small fishes and crustaceans; also sqiud and molluscs. Probably a spring spawner. (see Ref 4542).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHyperoglyphe perciformisFamilyCentrolophidae (Medusafishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length91.0Common length30.0EnvironmentMarine; pelagic-oceanicClimateTemperateDistributionWestern Atlantic: Nova Scotia in Canada to southern Florida in USA and eastern Gulf of Mexico. Eastern Atlantic: juveniles occasionally accompany floating objects across the Atlantic and have been recorded from Ireland, around the British Isles, off Portugal and the western Mediterranean.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercialResilienceLow, minimum population doubling time 4.5 - 14 years (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