HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesCommon seadragon Common seadragon (Phyllopteryx taeniolatus) Scientific name: Phyllopteryx taeniolatus Lacep?de, 1804 The Common seadragon (Phyllopteryx taeniolatus) is a marine fish of the family Syngnathidae. Native range: Eastern Indian Ocean, southern Australia, from southern Western Australia to New South Wales and Tasmania. BiologyRecorded from the intertidal zone to a depth of 50 m. Frequently among seaweeds and coral reefs. 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 namePhyllopteryx taeniolatusFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length46.0Depth range0–50 m (0–164 ft)EnvironmentMarine; reef-associated; depth range 0 - 50 mClimateTemperateDistributionEastern Indian Ocean: southern Australia, from southern Western Australia to New South Wales and Tasmania.Conservation status (IUCN)Near Threatened (NT)Threat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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