HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesMarine hatchetfishesKiwi hatchetfish Kiwi hatchetfish (Polyipnus kiwiensis) Scientific name: Polyipnus kiwiensis Baird, 1971 The Kiwi hatchetfish (Polyipnus kiwiensis) is a marine fish of the family Sternoptychidae. Native range: Southwest Pacific, restricted to the Tasman Sea off the east coast of Australia and continental slope areas of New Zealand. BiologyA benthic species which occurs on the continental shelf and slope.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePolyipnus kiwiensisFamilySternoptychidae (Marine hatchetfishes)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length8.2EnvironmentMarine; benthopelagicClimateTemperateDistributionSouthwest Pacific: restricted to the Tasman Sea off the east coast of Australia and continental slope areas of 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