HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesMasthead Island pipefish Masthead Island pipefish (Doryrhamphus negrosensis malus) Scientific name: Doryrhamphus negrosensis malus Whitley, 1954 The Masthead Island pipefish (Doryrhamphus negrosensis malus) is a marine fish of the family Syngnathidae. Native range: Western Pacific, endemic to Australia from Mackay Reef to Masthead Islands on the Great Barrier Reef, Queensland. BiologyKnown to depths of ca. 6 m. 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 nameDoryrhamphus negrosensis malusFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length6.2EnvironmentMarine; reef-associatedClimateTropicalDistributionWestern Pacific: endemic to Australia from Mackay Reef to Masthead Islands on the Great Barrier Reef, Queensland.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