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Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Ophidiiformes
Family: Bythitidae
Genus: Lucifuga
Poey, 1858

Lucifuga is a genus of viviparous brotulas. Most of the species are native to caves and sinkholes in Cuba and the Bahamas; L. inopinata from deep water off the Galápagos Islands is the only exception. The four species rated by the IUCN are all considered vulnerable. The largest species in the genus reaches about 15 cm (5.9 in) in length.[1]


There are currently seven recognized species in this genus:[1]


  1. ^ a b Froese, Rainer, and Daniel Pauly, eds. (2012). Species of Lucifuga in FishBase. June 2012 version.