HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesDeep-bodied pipefish Deep-bodied pipefish (Leptonotus blainvilleanus) Scientific name: Leptonotus blainvilleanus Eydoux & Gervais, 1837 The Deep-bodied pipefish (Leptonotus blainvilleanus) is a brackish-water fish of the family Syngnathidae. Native range: Southeast Pacific and Southwest Atlantic, Hornitos, Chile to Golfo San Jos?, Argentina. BiologyFound in algal beds in coastal or estuarine areas. 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 nameLeptonotus blainvilleanusFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Depth range25 m (82 ft)EnvironmentMarine; brackish; demersal; depth range ? - 25 mClimateSubtropicalDistributionSoutheast Pacific and Southwest Atlantic: Hornitos, Chile to Golfo San Jos?, Argentina.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, 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