HomeFish encyclopediaRay-finned fishesNeedle fishesHalfbeaksThree-by-two garfish Three-by-two garfish (Hemiramphus robustus) Scientific name: Hemiramphus robustus G?nther, 1866 The Three-by-two garfish (Hemiramphus robustus) is a brackish-water fish of the family Hemiramphidae. Native range: Western Pacific, Australia extending south to Sydney on the east coast and to Perth in western Australia. Also in Papua New Guinea. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 13-15; Anal spines: 0; Anal soft rays: 11 - 14; Vertebrae: 52 - 55. One dark blotch below the dorsal fin; usually 12 or 13 anal rays.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHemiramphus robustusFamilyHemiramphidae (Halfbeaks)OrderBeloniformes (Needle fishes)ClassActinopterygii (Ray-finned fishes)Maximum length31.5EnvironmentMarine; brackish; pelagic-neriticClimateTropicalDistributionWestern Pacific: Australia extending south to Sydney on the east coast and to Perth in western Australia. Also in Papua New Guinea.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