HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesPugheaded pipefish Pugheaded pipefish (Bulbonaricus brauni) Scientific name: Bulbonaricus brauni Dawson & Allen, 1978 The Pugheaded pipefish (Bulbonaricus brauni) is a marine fish of the family Syngnathidae. Native range: Eastern Indian Ocean, off Sumatra, Indonesia and from Western Australia. Western Central Pacific: Palau. BiologyDorsal fin, pectoral fins, and elongate snout are lost upon metamorphosis to demersal stage. Rings: 17+44-46.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBulbonaricus brauniFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length5.5Depth range1–10 m (3–33 ft)EnvironmentMarine; reef-associated; depth range 1 - 10 mClimateTropicalDistributionEastern Indian Ocean: off Sumatra, Indonesia and from Western Australia. Western Central Pacific: Palau.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