8, see text Stygicola Gill, 1863 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.

[2] There are currently eight recognized species in this genus:[2] This Bythitidae-related article is a stub.