HomeFish encyclopediaRay-finned fishesHerringsAnchoviesKey anchovy Key anchovy (Anchoa cayorum) Scientific name: Anchoa cayorum Fowler, 1906 The Key anchovy (Anchoa cayorum) is a marine fish of the family Engraulidae. BiologyDorsal spines (total): 0; Anal spines: 0; Anal soft rays: 21 - 26. Body somewhat compressed and slender. Snout less than eye diameter; maxilla long, tip pointed, reaching almost to gill opening; gill cover canals of walkeri-type. Anal fin moderately long, its origin below about midpoint of dorsal fin base. A silver stripe along flank, a little less than eye diameter. Melanophores on underside of snout do not reach premaxillae, leaving an unpigmented area.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAnchoa cayorumFamilyEngraulidae (Anchovies)OrderClupeiformes (Herrings)ClassActinopterygii (Ray-finned fishes)Maximum length11.0Common length8.0EnvironmentMarine; pelagic-oceanic; oceanodromousClimateSubtropicalDistributionWestern Central Atlantic: Florida Keys, Cuba, Bahamas, Antilles, Los Roques Archipelago off Venezuela; from Yucatan, Mexico possibly to western Venezuela; not in Gulf of Mexico. If correctly identified, then it occurs in Sibun River, Belize.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; bait: usuallyResilienceHigh, 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