HomeFish encyclopediaRay-finned fishesGrinnersAulopusLicoricemouth cucumberfish Licoricemouth cucumberfish (Paraulopus melanostomus) Scientific name: Paraulopus melanostomus Sato, Gomon & Nakabo, 2010 The Licoricemouth cucumberfish (Paraulopus melanostomus) is a marine fish of the family Aulopidae. Native range: Eastern Indian Ocean, Australia. Species factsScientific nameParaulopus melanostomusFamilyAulopidae (Aulopus)OrderAulopiformes (Grinners)ClassActinopterygii (Ray-finned fishes)Maximum length31.9EnvironmentMarine; demersalClimateSubtropicalDistributionEastern Indian Ocean: Australia.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