HomeFish encyclopediaRay-finned fishesPerch-like fishSnooksFat snook Fat snook (Centropomus parallelus) Scientific name: Centropomus parallelus Poey, 1860 The Fat snook (Centropomus parallelus) is a freshwater fish of the family Centropomidae. Native range: Western Atlantic, southern Florida (USA) and the Mexican Gulf coast to Florianopolis, Brazil. BiologyInhabits coastal waters, estuaries and lagoons, penetrating into freshwater; usually prefers very low brackish water or freshwater. Occasionally in hypersaline lagoons. Found over shallow soft bottoms. Feeds on fish and crustaceans. Its flesh is well appreciated.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCentropomus parallelusFamilyCentropomidae (Snooks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length72.0Common length25.0EnvironmentMarine; freshwater; brackish; demersal; amphidromousClimateSubtropicalDistributionWestern Atlantic: southern Florida (USA) and the Mexican Gulf coast to Florianopolis, Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; gamefish: yesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tm=3-4; Fec=900,000) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026