Lucifuga subterranea

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Lucifuga subterranea, the Cuban cusk-eel, is an endangered cavefish found only in Cuba. It lives in caves, sinkholes, and crevices and is relatively common there. It feeds on cirolanid isopods. Taxonomy: Kingdom Animalia; Phylum Chordata; Class Actinopterygii; Order Ophidiiformes; Family Bythitidae; Genus Lucifuga; Species L. subterranea. Binomial name Lucifuga subterranea Poey, 1858.