HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesPig-snouted pipefish Pig-snouted pipefish (Choeroichthys suillus) Scientific name: Choeroichthys suillus Whitley, 1951 The Pig-snouted pipefish (Choeroichthys suillus) is a marine fish of the family Syngnathidae. Native range: Western Central Pacific, endemic to northern Australia, from Western Australia to Queensland and McCluer Island, Northern Territory. BiologyFound in inshore waters. Benthic species. Specimens have been taken from a coral knoll and from reefs. Ovoviviparous. The males carry the eggs in a brood pouch which is found under the tail. Males may be mature at about 5-5.5 cm SL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChoeroichthys suillusFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length6.8Depth range0–14 m (0–46 ft)EnvironmentMarine; reef-associated; depth range 0 - 14 mClimateTropicalDistributionWestern Central Pacific: endemic to northern Australia, from Western Australia to Queensland and McCluer Island, Northern Territory.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