HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesBall's pipe fish Ball's pipe fish (Cosmocampus balli) Scientific name: Cosmocampus balli Fowler, 1925 The Ball's pipe fish (Cosmocampus balli) is a marine fish of the family Syngnathidae. Native range: Eastern Central Pacific, Hawaii. BiologyMost sub-adults and adults have been taken in protected, shallow, reef habitats. Juveniles taken in near-shore surface plankton tows. 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 nameCosmocampus balliFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length12.0EnvironmentMarine; reef-associatedClimateTropicalDistributionEastern Central Pacific: Hawaii.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceHigh, 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