HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesEdmondson's pipefish Edmondson's pipefish (Halicampus edmondsoni) Scientific name: Halicampus edmondsoni Pietschmann, 1928 The Edmondson's pipefish (Halicampus edmondsoni) is a marine fish of the family Syngnathidae. Native range: Eastern Central Pacific, endemic to the Hawaiian Islands. BiologyBenthic. Specimens have been taken from a tide pool, shallow reefs and beaches. Ovoviviparous. The males carry the eggs in a brood pouch which is found under the tail. Males may be brooding at 9.4 cm SL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHalicampus edmondsoniFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length9.4Depth range1–33 m (3–108 ft)EnvironmentMarine; reef-associated; depth range 1 - 33 mClimateTropicalDistributionEastern Central Pacific: endemic to the Hawaiian Islands.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