HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesThorntail pipefish Thorntail pipefish (Micrognathus brevirostris brevirostris) Scientific name: Micrognathus brevirostris brevirostris R?ppell, 1838 The Thorntail pipefish (Micrognathus brevirostris brevirostris) is a marine fish of the family Syngnathidae. Native range: Western Indian Ocean, endemic to the Red Sea, recorded from the Gulfs of Suez and Aqaba in the north to the Strait of Perim in the South. BiologyFound among algae. 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 nameMicrognathus brevirostris brevirostrisFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length67.5EnvironmentMarine; reef-associatedClimateTropicalDistributionWestern Indian Ocean: endemic to the Red Sea, recorded from the Gulfs of Suez and Aqaba in the north to the Strait of Perim in the South.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