HomeFish encyclopediaRay-finned fishesGrinnersAulopusCucumber fish Cucumber fish (Paraulopus nigripinnis) Scientific name: Paraulopus nigripinnis G?nther, 1878 The Cucumber fish (Paraulopus nigripinnis) is a marine fish of the family Aulopidae. Native range: Southwest Pacific, Australia and New Zealand. BiologyA temperate, generally demersal species found on the continental shelf and slope. Inhabits sandy to muddy bottoms.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParaulopus nigripinnisFamilyAulopidae (Aulopus)OrderAulopiformes (Grinners)ClassActinopterygii (Ray-finned fishes)Maximum length21.0Depth range80–600 m (262–1969 ft)EnvironmentMarine; demersal; depth range 80 - 600 mClimateTemperateDistributionSouthwest Pacific: Australia and New Zealand.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026