HomeFish encyclopediaRay-finned fishesPerch-like fishMojarrasDark-spot mojarra Dark-spot mojarra (Eucinostomus entomelas) Scientific name: Eucinostomus entomelas Zahuranec, 1980 The Dark-spot mojarra (Eucinostomus entomelas) is a brackish-water fish of the family Gerreidae. Native range: Eastern Pacific, Mexico to Peru. BiologyFound over soft substrates of coastal waters. Juveniles are encountered in coastal lagoons and estuaries. Forms schools. Omnivore.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEucinostomus entomelasFamilyGerreidae (Mojarras)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length18.0EnvironmentMarine; brackish; demersalClimateTropicalDistributionEastern Pacific: Mexico to Peru.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercial; bait: occasionallyResilienceHigh, 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