Journal Article
A new species of the cave-fish genus Lucifuga (Ophidiiformes, Bythitidae), from eastern Cuba
Hernández, D., Moller, P.R., Casane, D. and García-Machado, E.
Record Number:
4775
Year:
2020
Journal:
Zookeys
Pages:
17-35
Volume:
946
Abstract:
Recently, a barcoding study and a molecular phylogenetic analysis of the Cuban species of the cave-fish genus Lucifuga Poey, 1858 revealed the existence of different evolutionary lineages that were previously unknown or passed unnoticed by morphological scrutiny (i.e., cryptic candidate species). In the present study, Lucifuga gibarensis is described as a new species restricted to anchialine caves in the northeastern karst region of the main island. The species was earlier described as a variety of Lucifuga dentata, but since the name was introduced as a variety after 1960, it is deemed to be infrasubspecific and unavailable according to the International Code of Zoological Nomenclature Art. 15.2. The new species differs from L. dentata by pigmented eyes vs. eyes absent and lack of palatine teeth vs. present. Lucifuga gibarensis seems to be most similar to the Bahamian species L. lucayana by showing pigmented eyes, 13 or 14 precaudal vertebrae and ten caudal fin rays. However, differs from it by a larger size of the pigmented eye (1.1–1.9 vs. 0.9–1.0% SL) and number of posterior lateral line neuromasts (30–33 vs. 34–35).
Keywords
Anchialine caves, Gibara, Holguin, speleology, taxonomy, viviparous brotulas
Times Cited:
1
Relevent Species:
Related Records:
Lane, H. H. (1903)
The ovarian structure of the viviparous blind fishes Lucifuga and Stygicola
Lane, H. H. (1908)On the ovary and ova of the Cuban cavefishes
Lane, H.H. (1909)On the overy and ova in Lucifuga and Stygicola
Wourms, J.P. (1981)Viviparity: The maternal-fetal relationship in fishes
Diaz-Perez, P.A., Nieto, E. and Abio, G. (1987)Peces ciegos del genero Lucifuga (Ophidiiformes, Bythitidae) en dos casimbas cubanas
Hernández, D.A. (2005)Relaciones evolutivas de las especies del genéro Lucifuga (Ophidiiformes: Bythitidae)
en Cuba
Garcia-Machado, E., Hernandez, D., Garcia-Debras, A., Chevalier-Monteagudo, P., Metcalfe, C., Bernatchez, L. and Casane, D. (2011)Molecular phylogeny and phylogeography of the Cuban cave-fishes of the genus Lucifuga: Evidence for cryptic allopatric diversity
Moller, P.R., Knudsen, S.W., Schwarzhans, W. and Nielsen, J.G. (2016)A new classification of viviparous brotulas (Bythitidae) – with family status for Dinematichthyidae – based on molecular, morphological and fossil data
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Hernández, D., Moller, P.R., Casane, D. and García-Machado, E. (2020)A new species of the cave-fish genus Lucifuga (Ophidiiformes, Bythitidae), from eastern Cuba
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Policarpo, M., Fumey, J., Lafargeas, P., Naquin, D., Thermes, C., Naville, M., Dechaud, C., Volff, J.-M., Cabau, C., Klopp, C., Rask Møller, P., Bernatchez, L., García-Machado, E., Rétaux, S. and Casane, D. (2020)Contrasted gene decay in subterranean vertebrates: insights from cavefishes and fossorial mammals
Policarpo, M., Fumey, J., Lafargeas, P., Naquin, D., Thermes, C., Naville, M., Dechaud, C., Volff, J.-M., Cabau, C., Klopp, C., Rask Møller, P., Bernatchez, L., García-Machado, E., Rétaux, S. and Casane, D. (2020)Contrasted gene decay in subterranean vertebrates: insights from cavefishes and fossorial mammals