HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesBrush-tailed pipefish Brush-tailed pipefish (Leptoichthys fistularius) Scientific name: Leptoichthys fistularius Kaup, 1853 The Brush-tailed pipefish (Leptoichthys fistularius) is a marine fish of the family Syngnathidae. Native range: Eastern Indian Ocean, endemic to southern Australia. BiologyFound in moderate to shallow depths. Inhabit seagrass. Largest known pipefish, may well reach 65 cm SL. Ovoviviparous. The males carry the eggs in a brood pouch which is found under the tail. Males may be brooding at 20-21 cm SL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLeptoichthys fistulariusFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length63.0EnvironmentMarine; demersalClimateTemperateDistributionEastern Indian Ocean: endemic to southern Australia.Conservation status (IUCN)Not EvaluatedThreat 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