HomeFish encyclopediaRay-finned fishesPerch-like fishJacks and pompanosRoughear scad Roughear scad (Decapterus tabl) Scientific name: Decapterus tabl Berry, 1968 The Roughear scad (Decapterus tabl) is a marine fish of the family Carangidae. BiologyOccurs in mid-water or near the bottom; also near the surface. Feeds on smaller planktonic invertebrates, primarily copepods. Marketed fresh.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDecapterus tablFamilyCarangidae (Jacks and pompanos)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length50.0Common length25.0Depth range7–400 m (23–1312 ft)EnvironmentMarine; reef-associated; depth range 7 - 400 m, usually 150 - 220 mClimateSubtropicalDistributionPacific Ocean: Japan, Indonesia, Australia and the Hawaiian Islands Western Atlantic: Canada to North Carolina, USA to Venezuela. Also found in Brazil and in Argentina. Eastern Atlantic: St. Helena Island. Indian Ocean: off Kenya to off East London, South Africa.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; bait: usuallyResilienceHigh, minimum population doubling time less than 15 months (Fec=20,000-150,000) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026