HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesNorthern pipefish Northern pipefish (Syngnathus fuscus) Scientific name: Syngnathus fuscus Storer, 1839 The Northern pipefish (Syngnathus fuscus) is a freshwater fish of the family Syngnathidae. Native range: Western Atlantic, Gulf of St. Lawrence in Canada to northeastern Florida in USA; also in northwestern Gulf of Mexico. BiologyInhabits seagrass beds in bays and estuaries, but also enters fresh water. Resident in estuaries during spring through fall, migrates into near shore continental shelf waters during winter. Found in waters of 4-17 ?C. 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 fuscusFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length33.0Common length17.0Depth range5–366 m (16–1201 ft)EnvironmentMarine; freshwater; brackish; demersal; amphidromous; depth range 5 - 366 mClimateSubtropicalDistributionWestern Atlantic: Gulf of St. Lawrence in Canada to northeastern Florida in USA; also in northwestern Gulf of 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