HomeFish encyclopediaRay-finned fishesPerch-like fishDrums or croakersStriped weakfish Striped weakfish (Cynoscion striatus) Scientific name: Cynoscion striatus Cuvier, 1829 The Striped weakfish (Cynoscion striatus) is a marine fish of the family Sciaenidae. Native range: Southwest Atlantic, southern Brazil to central Argentina. BiologyMaximum length assumed to be 1.5 * 40 = 60 cm TL (RF).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCynoscion striatusFamilySciaenidae (Drums or croakers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length60.0Common length40.0Depth range60 m (197 ft)EnvironmentMarine; demersal; depth range ? - 60 mClimateSubtropicalDistributionSouthwest Atlantic: southern Brazil to central Argentina.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceHigh, minimum population doubling time less than 15 months (Min batch fecundity >10,000) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026