Lucifuga

Møller, Peter R., Schwarzhans, Werner, Iliffe, Thomas M. & Nielsen, Jørgen G., 2006, Revision of the Bahamian cave­fishes of the genus Lucifuga (Ophidiiformes, Bythitidae), with description of a new species from islands on the Little Bahama Bank, Zootaxa 1223, pp. 23-46 : 27

Key to Atlantic species of Lucifuga

1 Caudal finrays 8; total vertebrae 45–48 (not known for L. teresinarum ); eye diameter 0.0–0.3 % SL, Cuban Lucifuga spp ............................................................................... 2

­ Caudal finrays 10; total vertebrae 50–55; eye diameter 0.7–1.8 % SL; Bahamian Lucif­ uga spp .. ........................................................................................................................ 5

2 Palatine teeth present..................................................................................................... 3

­ Palatine teeth absent ...................................................................................................... 4

3 Dorsal finrays 83–95, ratio otolith length to sulcus length <2.8 .................... L. dentata

­ Dorsal finrays 70–78, ratio otolith length to sulcus length> 3.5 ...................... L. simile

4 Dorsal finrays 80–86; pectoral finrays 12–14 .......................................... L. subterranea

­ Dorsal finrays 78–80; pectoral finrays 10–11. ......................................... L. teresinarum

5 Lateral occipital area naked, palatine teeth present; long gill­rakers usually dark ......... .................................................................................................................... L. spelaeotes

­ Lateral occipital area scaled, palatine teeth absent; long gill­rakers pale ....................... ............................................................................................................. L. lucayana n. sp.