HomeFish encyclopediaRay-finned fishesNeedle fishesHalfbeaksHalfbeak Halfbeak (Hemiramphus convexus) Scientific name: Hemiramphus convexus Weber & de Beaufort, 1922 The Halfbeak (Hemiramphus convexus) is a marine fish of the family Hemiramphidae. BiologyMore coastal than O. m. micropterus and frequently found near islandsSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHemiramphus convexusFamilyHemiramphidae (Halfbeaks)OrderBeloniformes (Needle fishes)ClassActinopterygii (Ray-finned fishes)Maximum length17.6EnvironmentMarine; pelagic-neriticClimateTropicalDistributionIndo-West Pacific: widespread in warmer waters from East Africa to Caroline Islands, New Guinea, New Britain and New Ireland. Replaced in the Red Sea, Arabian Sea and coastal waters in between by Oxyporhamphus convexus bruuniConservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, minimum population doubling time less than 15 months (K>1) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026