HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesSargassum pipefish Sargassum pipefish (Syngnathus pelagicus) Scientific name: Syngnathus pelagicus Linnaeus, 1758 The Sargassum pipefish (Syngnathus pelagicus) is a marine fish of the family Syngnathidae. BiologyDorsal soft rays (total): 28-31. Slender, long snout (1.4-1.7 in head length).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSyngnathus pelagicusFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length18.1EnvironmentMarine; pelagic-neriticClimateSubtropicalDistributionWestern Atlantic: Maine (USA), Bermuda and northern Gulf of Mexico to Argentina. Nova Scotia, Antilles, western Caribbean from Yucatan to Colombia. Taxonomic status of the eastern Atlantic population (from Mauritania to Gabon) needs further study and records from Cape of Good Hope, South Africa and the Indo-Pacific area require confirmation.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