HomeFish encyclopediaChimaerasChimaerasShortnose chimaeras or ratfishesDark ghost shark Dark ghost shark (Hydrolagus novaezealandiae) Scientific name: Hydrolagus novaezealandiae Fowler, 1911 The Dark ghost shark (Hydrolagus novaezealandiae) is a marine fish of the family Chimaeridae. Native range: Southwest Pacific, endemic to New Zealand. BiologyAnal spines: 0; Anal soft rays: 0. Dark grey dorsally, with silver-white markings, pale silver-grey ventrally.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHydrolagus novaezealandiaeFamilyChimaeridae (Shortnose chimaeras or ratfishes)OrderChimaeriformes (Chimaeras)ClassHolocephali (Chimaeras)Maximum length96.0Common length55.0Depth range25–950 m (82–3117 ft)EnvironmentMarine; bathydemersal; depth range 25 - 950 mClimateDeep-waterDistributionSouthwest Pacific: endemic to New Zealand.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercialResilienceLow, minimum population doubling time 4.5 - 14 years (Assuming Fec SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026