HomeFish encyclopediaRay-finned fishesPerch-like fishDrums or croakersStolzmann's weakfish Stolzmann's weakfish (Cynoscion stolzmanni) Scientific name: Cynoscion stolzmanni Steindachner, 1879 The Stolzmann's weakfish (Cynoscion stolzmanni) is a brackish-water fish of the family Sciaenidae. Native range: Eastern Pacific, Gulf of California to Peru. BiologyInhabits coastal waters, lagoons and estuaries. Also found offshore. Feeds mainly on small fishes and shrimps.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCynoscion stolzmanniFamilySciaenidae (Drums or croakers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length115Common length40.0EnvironmentMarine; brackish; demersalClimateTropicalDistributionEastern Pacific: Gulf of California to Peru.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: highly commercial; gamefish: yesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.32; assuming tm>=2) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026