HomeFish encyclopediaRay-finned fishesHerringsAnchoviesHumpback hairfin anchovy Humpback hairfin anchovy (Setipinna paxtoni) Scientific name: Setipinna paxtoni Wongratana, 1987 The Humpback hairfin anchovy (Setipinna paxtoni) is a brackish-water fish of the family Engraulidae. Native range: Eastern Indian Ocean, northern coast of Western Australia at Medusa Bank, Cambridge Gulf, but presumably elsewhere along that coast. BiologyDorsal spines (total): 0; Anal spines: 0; Anal soft rays: 51 - 54. Rather hump-backed, belly with 18 0r 19 + 7 or 8 = 25 to 27 keeled scutes from isthmus to anus. Lower gill rakers with serrae not distinctly clumped. Pectoral filament long, reaching to base of 27th to 41st anal fin ray.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSetipinna paxtoniFamilyEngraulidae (Anchovies)OrderClupeiformes (Herrings)ClassActinopterygii (Ray-finned fishes)Maximum length11.0EnvironmentMarine; brackish; pelagic-neriticClimateTropicalDistributionEastern Indian Ocean: northern coast of Western Australia at Medusa Bank, Cambridge Gulf, but presumably elsewhere along that coast.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, 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