HomeFish encyclopediaRay-finned fishesPerch-like fishDrums or croakersSuco croaker Suco croaker (Paralonchurus dumerilii) Scientific name: Paralonchurus dumerilii Bocourt, 1869 The Suco croaker (Paralonchurus dumerilii) is a brackish-water fish of the family Sciaenidae. Native range: Eastern Pacific, Guatemala to Peru. BiologyBody elongate, moderately compressed, with an arched dorsal profile; snout prominent; mouth small and inferior; lower jaw enclosed by upper; chin with 5 pores and 11 to 13 pairs of small barbels; edge of preopercle smooth; lower branch of first gill arch with 6 to 9 rakers; body uniformly silvery; flanks with 5 very distinct bars; fins paleSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParalonchurus dumeriliiFamilySciaenidae (Drums or croakers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length45.0Common length30.0Depth range30 m (98 ft)EnvironmentMarine; brackish; demersal; depth range ? - 30 mClimateTropicalDistributionEastern Pacific: Guatemala to Peru.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor 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