HomeFish encyclopediaRay-finned fishesPerch-like fishDrums or croakersStripped weakfish Stripped weakfish (Cynoscion guatucupa) Scientific name: Cynoscion guatucupa Cuvier, 1830 The Stripped weakfish (Cynoscion guatucupa) is a marine fish of the family Sciaenidae. Native range: Southwest Atlantic, Brazil, Montevideo, Uruguay and Argentina. Species factsScientific nameCynoscion guatucupaFamilySciaenidae (Drums or croakers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length50.0Depth range194 m (636 ft)EnvironmentMarine; benthopelagic; oceanodromous; depth range ? - 194 mClimateSubtropicalDistributionSouthwest Atlantic: Brazil, Montevideo, Uruguay and Argentina.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.2-0.28) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026