HomeFish encyclopediaRay-finned fishesNeedle fishesHalfbeaksBigwing halfbeak Bigwing halfbeak (Oxyporhamphus micropterus micropterus) Scientific name: Oxyporhamphus micropterus micropterus Valenciennes, 1847 The Bigwing halfbeak (Oxyporhamphus micropterus micropterus) is a marine fish of the family Hemiramphidae. Native range: Indo-Pacific, East Africa to Tonga, north to southern Japan. Eastern Pacific: Mexico to Peru. Replaced in the Atlantic by Oxyporhamphus micropterus similis. BiologyA true oceanic species, not bound to coastal waters at any period of its life.This species is the only halfbeak which doesn't have an extended lower jaw at the adult phase. Oviparous, with planktonic eggs and larvaeSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOxyporhamphus micropterus micropterusFamilyHemiramphidae (Halfbeaks)OrderBeloniformes (Needle fishes)ClassActinopterygii (Ray-finned fishes)Maximum length18.5Depth range0–1 m (0–3 ft)EnvironmentMarine; pelagic-oceanic; oceanodromous; depth range 0 - 1 mClimateTropicalDistributionIndo-Pacific: East Africa to Tonga, north to southern Japan. Eastern Pacific: Mexico to Peru. Replaced in the Atlantic by Oxyporhamphus micropterus similis.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (K=1.0) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026