HomeFish encyclopediaRay-finned fishesHerringsHerrings, shads and sardinesArgentine menhaden Argentine menhaden (Brevoortia pectinata) Scientific name: Brevoortia pectinata Jenyns, 1842 The Argentine menhaden (Brevoortia pectinata) is a brackish-water fish of the family Clupeidae. Native range: Southwest Atlantic, Santos, Brazil to mouth of La Plata, Argentina. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 16; Anal spines: 0; Anal soft rays: 19. Scutes apparent along belly. Upper jaw with distinct median notch. Pectoral fin tip to pelvic fin base or at most short by the width of 3 scales; pelvic fin with oblique and almost straight hind margin. Pre-dorsal scales modified; scales on back and above base of anal fin not markedly smaller than rest. Back of body greenish blue, sides and belly silvery, fins golden yellow. Large dark spot behind gill cover.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBrevoortia pectinataFamilyClupeidae (Herrings, shads and sardines)OrderClupeiformes (Herrings)ClassActinopterygii (Ray-finned fishes)Maximum length35.0Depth range5 m (16 ft)EnvironmentMarine; brackish; pelagic-neritic; depth range 5 - ? mClimateSubtropicalDistributionSouthwest Atlantic: Santos, Brazil to mouth of La Plata, Argentina.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, minimum population doubling time less than 15 months (Assuming tm=1) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026