HomeFish encyclopediaRay-finned fishesNeedle fishesHalfbeaksLutke's halfbeak Lutke's halfbeak (Hemiramphus lutkei) Scientific name: Hemiramphus lutkei Valenciennes, 1847 The Lutke's halfbeak (Hemiramphus lutkei) is a brackish-water fish of the family Hemiramphidae. BiologyInhabits coastal waters rich in vegetation. Found more offshore than other species of Hemiramphus in the western central Pacific; juveniles and immature individuals are relatively common far from shore, usually among floating plants. Caught by set-net.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHemiramphus lutkeiFamilyHemiramphidae (Halfbeaks)OrderBeloniformes (Needle fishes)ClassActinopterygii (Ray-finned fishes)Maximum length40.0Common length25.0EnvironmentMarine; brackish; reef-associatedClimateTropicalDistributionPacific Ocean: ranging eastward to the Gilbert Islands and Samoa, north to southern Japan. Confused with Hemiramphus archipelagicus under the name Hemiramphus marginatus by many authors.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor 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