HomeFish encyclopediaRay-finned fishesPerch-like fishDuckbillsBrazilian flathead Brazilian flathead (Percophis brasiliensis) Scientific name: Percophis brasiliensis Quoy & Gaimard, 1825 The Brazilian flathead (Percophis brasiliensis) is a marine fish of the family Percophidae. Native range: Southwest Atlantic, off southern Brazil to central Argentina. BiologyDorsal spines (total): 8 - 10; Dorsal soft rays (total): 30-33; Anal spines: 0; Anal soft rays: 40 - 42Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePercophis brasiliensisFamilyPercophidae (Duckbills)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length53.3Common length40.0EnvironmentMarine; demersal; oceanodromousClimateSubtropicalDistributionSouthwest Atlantic: off southern Brazil to central Argentina.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2-4) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026