HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesBarcheek pipefish Barcheek pipefish (Syngnathus exilis) Scientific name: Syngnathus exilis Osburn & Nichols, 1916 The Barcheek pipefish (Syngnathus exilis) is a marine fish of the family Syngnathidae. Native range: Eastern Pacific, Half Moon Bay in central California, USA to south central Baja California and Guadalupe Island off north central Baja California, Mexico. BiologyFound in sand beaches, often in drifting algae. 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 exilisFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length25.0EnvironmentMarine; demersalClimateSubtropicalDistributionEastern Pacific: Half Moon Bay in central California, USA to south central Baja California and Guadalupe Island off north central Baja California, Mexico.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