HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesWass? pipefish Wass? pipefish (Festucalex wassi) Scientific name: Festucalex wassi Dawson, 1977 The Wass? pipefish (Festucalex wassi) is a marine fish of the family Syngnathidae. Native range: Western Central Pacific, Fiji and American Samoa. BiologyOvoviviparous. The male carries the eggs in a brood pouch which is found under the tail. Males may be brooding at 6.95 cm SL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameFestucalex wassiFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length7.4EnvironmentMarine; demersalClimateTropicalDistributionWestern Central Pacific: Fiji and American Samoa.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