HomeFish encyclopediaRay-finned fishesPerch-like fishDrums or croakersDogteeth weakfish Dogteeth weakfish (Macrodon mordax) Scientific name: Macrodon mordax Gilbert & Starks, 1904 The Dogteeth weakfish (Macrodon mordax) is a brackish-water fish of the family Sciaenidae. Native range: Eastern Pacific, Panama to Ecuador. BiologyInhabits coastal waters, bays, and estuaries. Feeds on crustaceans, fishes and cephalopods. Considered a good food fish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMacrodon mordaxFamilySciaenidae (Drums or croakers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length50.0EnvironmentMarine; brackish; benthopelagicClimateTropicalDistributionEastern Pacific: Panama to Ecuador.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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