HomeFish encyclopediaRay-finned fishesPerch-like fishDrums or croakersSwordspine croaker Swordspine croaker (Bairdiella ensifera) Scientific name: Bairdiella ensifera Jordan & Gilbert, 1882 The Swordspine croaker (Bairdiella ensifera) is a brackish-water fish of the family Sciaenidae. Native range: Eastern Pacific, southern Mexico to Peru. BiologyInhabits coastal waters, estuaries and river mouths. Feeds on crustacean larvae, small shrimps and fishes.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBairdiella ensiferaFamilySciaenidae (Drums or croakers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length35.0Common length25.0EnvironmentMarine; brackish; benthopelagicClimateTropicalDistributionEastern Pacific: southern Mexico to Peru.Conservation status (IUCN)Least Concern (LC)Threat 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