HomeFish encyclopediaRay-finned fishesPerch-like fishMojarrasSmall Chinese silver-biddy Small Chinese silver-biddy (Gerres decacanthus) Scientific name: Gerres decacanthus Bleeker, 1864 The Small Chinese silver-biddy (Gerres decacanthus) is a freshwater fish of the family Gerreidae. Native range: Asia, Xiamen to the Xisha Archipelago, southern China. BiologyDorsal spines (total): 9 - 10; Dorsal soft rays (total): 9-10; Anal spines: 3; Anal soft rays: 7. Body silvery. Supraneural bones 2. Caudal fin lobes somewhat pointed.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGerres decacanthusFamilyGerreidae (Mojarras)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length9.1Depth range10 m (33 ft)EnvironmentMarine; freshwater; brackish; benthopelagic; depth range ? - 10 mClimateSubtropicalDistributionAsia: Xiamen to the Xisha Archipelago, southern China.Conservation status (IUCN)Not EvaluatedThreat 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