HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesBarred pipefish Barred pipefish (Syngnathus auliscus) Scientific name: Syngnathus auliscus Swain, 1882 The Barred pipefish (Syngnathus auliscus) is a brackish-water fish of the family Syngnathidae. Native range: Eastern Pacific, Santa Barbara Channel in southern California, USA to northern Peru. BiologyUsually found among vegetation in bays and estuaries, occasionally among floating Sargassum sp. Ovoviviparous. The male carries the eggs in a brood pouch which is found under the tail.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSyngnathus auliscusFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length18.0EnvironmentMarine; brackish; demersalClimateSubtropicalDistributionEastern Pacific: Santa Barbara Channel in southern California, USA to northern Peru.Conservation status (IUCN)Least Concern (LC)Threat 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