HomeFish encyclopediaRay-finned fishesPerch-like fishDrums or croakersWeber's croaker Weber's croaker (Johnius weberi) Scientific name: Johnius weberi Hardenberg, 1936 The Weber's croaker (Johnius weberi) is a brackish-water fish of the family Sciaenidae. Native range: Southwest Pacific, Gulf of Thailand, Sumatra, and Borneo. BiologyDorsal spines (total): 11; Dorsal soft rays (total): 26-29; Anal spines: 2; Anal soft rays: 7Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameJohnius weberiFamilySciaenidae (Drums or croakers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length14.0Common length10.0EnvironmentMarine; brackish; benthopelagicClimateTropicalDistributionSouthwest Pacific: Gulf of Thailand, Sumatra, and Borneo.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, 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