HomeFish encyclopediaRay-finned fishesHerringsAnchoviesOsbeck's grenadier anchovy Osbeck's grenadier anchovy (Coilia mystus) Scientific name: Coilia mystus Linnaeus, 1758 The Osbeck's grenadier anchovy (Coilia mystus) is a freshwater fish of the family Engraulidae. BiologyDorsal spines (total): 0; Anal spines: 0; Anal soft rays: 80. Body tapering, belly rounded before pelvic fins, with 16 to 19 + 24 to 32 = 41 to 50 keeled scutes from isthmus to anus. Maxilla long, reaching to or almost to base of first pectoral fin ray. Pectoral fin with 6 filaments; rarely 13 or 14 branched fin rays which are longer than those of pelvic fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCoilia mystusFamilyEngraulidae (Anchovies)OrderClupeiformes (Herrings)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Depth range10 m (33 ft)EnvironmentMarine; freshwater; brackish; pelagic-neritic; amphidromous; depth range 10 - ? mClimateTropicalDistributionWestern Pacific: East China Sea from Hainan north to Port Arthur (Lu-shun) and perhaps to Korea, although the more northerly records could apply to Coila nasus. A single specimen from Phuket Island, Thailand but the provenance seems doubtful. The four specimens from Kerala, India refer to Coila grayii.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: subsistence fisheriesResilienceHigh, 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