HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesSpotted pipefish Spotted pipefish (Stigmatopora argus) Scientific name: Stigmatopora argus Richardson, 1840 The Spotted pipefish (Stigmatopora argus) is a brackish-water fish of the family Syngnathidae. Native range: Eastern Indian Ocean, Australia. BiologyUsually among vegetation in bays and estuaries, but sometimes offshore among floating Sargassum. Ovoviviparous. The male carries the eggs in a brood pouch which is found under the tail. Males may be brooding at 11.2 cm TL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameStigmatopora argusFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length25.4Depth range8 m (26 ft)EnvironmentMarine; brackish; demersal; depth range ? - 8 mClimateTemperateDistributionEastern Indian Ocean: Australia.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