HomeFish encyclopediaRay-finned fishesHerringsAnchoviesLongjaw grenadier anchovy Longjaw grenadier anchovy (Coilia macrognathos) Scientific name: Coilia macrognathos Bleeker, 1852 The Longjaw grenadier anchovy (Coilia macrognathos) is a freshwater fish of the family Engraulidae. Native range: Western Central Pacific, Sarawak, Malaysia and western coast of Kalimantan, Indonesia. Also known from two specimens from Phuket, Thailand. BiologyDorsal spines (total): 0; Anal spines: 0; Anal soft rays: 80. Body tapering, belly rounded before pelvic fins, with 14 to 16 + 31 to 39 = 47 to 54 keeled scutes from isthmus to anus. Maxilla long, reaching to beyond pectoral fin base. Pectoral fin with 6 filaments; the unbranched fin rays longer than those of pelvic fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCoilia macrognathosFamilyEngraulidae (Anchovies)OrderClupeiformes (Herrings)ClassActinopterygii (Ray-finned fishes)Maximum length26.0Common length20.0EnvironmentFreshwater; brackish; pelagicClimateTropicalDistributionWestern Central Pacific: Sarawak, Malaysia and western coast of Kalimantan, Indonesia. Also known from two specimens from Phuket, Thailand.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: 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