About the Authors

Damir Hernández

Contributed equally to this work with: Damir Hernández, Didier Casane, Erik García-Machado

Affiliation Centro de Investigaciones Marinas, Universidad de La Habana, Calle 16, No. 114 entre 1ra y 3ra, Miramar, Playa, La Habana, 11300, Cuba

Didier Casane

Contributed equally to this work with: Damir Hernández, Didier Casane, Erik García-Machado

Affiliations Laboratoire Evolution, Génomes, Comportement, Ecologie, CNRS, Université Paris-Sud, UMR 9191, IRD UMR 247, Gif-sur-Yvette, France, Université Paris-Diderot, Sorbonne Paris-Cité, Paris, France

Pedro Chevalier-Monteagudo

Affiliation Acuario Nacional de Cuba, Calle 60, Miramar, Playa, La Habana, 11300, Cuba

Louis Bernatchez

Affiliation Institut de Biologie Intégrative et des Systèmes (IBIS), Pavillon Charles-Eugène Marchand, Université Laval, Québec, QC, G1V 0A6, Canada

Erik García-Machado

Contributed equally to this work with: Damir Hernández, Didier Casane, Erik García-Machado

egarcia@cim.uh.cu

Affiliation Centro de Investigaciones Marinas, Universidad de La Habana, Calle 16, No. 114 entre 1ra y 3ra, Miramar, Playa, La Habana, 11300, Cuba

Competing Interests

Author Pedro Chevalier-Monteagudo is employed by Acuario Nacional de Cuba. He has participated actively in most of the sampling campaigns, particularly in cave diving with the main author. Nonetheless, no financial or logistic support was received from his institution. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: EGM. Performed the experiments: DH EGM. Analyzed the data: DH EGM. Contributed reagents/materials/analysis tools: DC EGM LB. Wrote the paper: DC DH EGM. Fish sampling: DH PCM EGM.