HomeFish encyclopediaRay-finned fishesNeedle fishesHalfbeaksCape halfbeak Cape halfbeak (Hyporhamphus capensis) Scientific name: Hyporhamphus capensis Thominot, 1886 The Cape halfbeak (Hyporhamphus capensis) is a freshwater fish of the family Hemiramphidae. Native range: Western Indian Ocean, Cape of Good Hope east and north to False Bay, Natal and St. Lucia coast of North Zululand; to Lake Piti in southern Mozambique. BiologyInhabits coastal waters and estuaries. Enters freshwater.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHyporhamphus capensisFamilyHemiramphidae (Halfbeaks)OrderBeloniformes (Needle fishes)ClassActinopterygii (Ray-finned fishes)Maximum length16.0EnvironmentMarine; freshwater; brackish; pelagic-neriticClimateSubtropicalDistributionWestern Indian Ocean: Cape of Good Hope east and north to False Bay, Natal and St. Lucia coast of North Zululand; to Lake Piti in southern Mozambique.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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