HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesLost pipefish Lost pipefish (Penetopteryx nanus) Scientific name: Penetopteryx nanus Ros?n, 1911 The Lost pipefish (Penetopteryx nanus) is a marine fish of the family Syngnathidae. Native range: Western Central Atlantic, Bahamas. Isla de Pro videncia in western Caribbean. BiologySnout very short. Dorsal and pectoral fins only in very young.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePenetopteryx nanusFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length3.2EnvironmentMarine; pelagic-neriticClimateTropicalDistributionWestern Central Atlantic: Bahamas. Isla de Pro videncia in western Caribbean.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