HomeFish encyclopediaRay-finned fishesNeedle fishesHalfbeaksMalabar halfbeak Malabar halfbeak (Rhynchorhamphus malabaricus) Scientific name: Rhynchorhamphus malabaricus Collette, 1976 The Malabar halfbeak (Rhynchorhamphus malabaricus) is a marine fish of the family Hemiramphidae. Native range: Western Indian Ocean, southern India to Sri Lanka. BiologyInshore species. Feeds mainly on Cymodocea and green algae but may also take diatoms and polychaetes. Catches are sun-dried.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRhynchorhamphus malabaricusFamilyHemiramphidae (Halfbeaks)OrderBeloniformes (Needle fishes)ClassActinopterygii (Ray-finned fishes)Maximum length35.0Common length20.0EnvironmentMarine; pelagic-neriticClimateTropicalDistributionWestern Indian Ocean: southern India to Sri Lanka.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; aquaculture: 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