HomeFish encyclopediaRay-finned fishesPerch-like fishMojarrasSlender mojarra Slender mojarra (Eucinostomus jonesii) Scientific name: Eucinostomus jonesii G?nther, 1879 The Slender mojarra (Eucinostomus jonesii) is a marine fish of the family Gerreidae. Native range: Western Atlantic, Bermuda and Florida, USA to Brazil. BiologyApparently does not enter estuaries or freshwater and may occur in slightly deeper water, and on banks that are farther offshore than those usually inhabited by Eucinostomus argenteus.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEucinostomus jonesiiFamilyGerreidae (Mojarras)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length20.0EnvironmentMarine; demersalClimateTropicalDistributionWestern Atlantic: Bermuda and Florida, USA to Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026