HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesWide-bodied pipefish Wide-bodied pipefish (Stigmatopora nigra) Scientific name: Stigmatopora nigra Kaup, 1856 The Wide-bodied pipefish (Stigmatopora nigra) is a brackish-water fish of the family Syngnathidae. Native range: Indo-West Pacific, southern Australia and New Zealand. BiologyOccur in bays, estuaries and shallow coastal waters. Occurs among seagrass and algae. Occasionally found in floating seaweed. Ovoviviparous. The male carries the eggs in a brood pouch which is found under the tail. Males may be brooding at 6.5-7 cm TL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameStigmatopora nigraFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length16.2Depth range1–35 m (3–115 ft)EnvironmentMarine; brackish; demersal; depth range 1 - 35 mClimateSubtropicalDistributionIndo-West Pacific: southern Australia and New Zealand.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