HomeFish encyclopediaRay-finned fishesCusk eelsViviparous brotulasToothed Cuban cusk-eel Toothed Cuban cusk-eel (Lucifuga dentata) Scientific name: Lucifuga dentata Poey, 1858 The Toothed Cuban cusk-eel (Lucifuga dentata) is a freshwater fish of the family Bythitidae. Native range: Central America, Cuba. BiologyInhabits caves. Feeds on cirolanid isopods. Viviparous. Found together with L. subterranea and L. teresinarum.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLucifuga dentataFamilyBythitidae (Viviparous brotulas)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length15.2EnvironmentFreshwater; demersalClimateTropicalDistributionCentral America: Cuba.Conservation status (IUCN)Vulnerable (VU) (D2)Threat to humansHarmlessUsesFisheries: of no interestResilienceVery Low, minimum population doubling time more than 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