Cave-dwelling Rhamdia from the Sierra de Zongolica, Mexico

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Cave-dwelling Rhamdia from the Sierra de Zongolica, Mexico

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Arroyave, J., & De La Cruz Fernández, D. A. (2021). Cave-dwelling populations of Rhamdia (Siluriformes: Heptapteridae) from the Sierra de Zongolica, Veracruz, Mexico: an evidence-based checklist with comments on their evolutionary history and taxonomy. Journal of Fish Biology. DOI: 10.1111/jfb.14713.

https://doi.org/10.1111/jfb.14713
https://onlinelibrary.wiley.com/doi/10.1111/jfb.14713
Abstract
We present a comprehensive checklist of cave‐dwelling populations of
Rhamdia
from the Sierra de Zongolica (SdZ) in Veracruz, Mexico, including two new records, based on permanent and verifiable evidence in the form of voucher specimens. We use phylogenetic and phylogeographic analyses of voucher‐derived comparative cytochrome b data to shed light on the evolutionary history of these populations. Our results, whilst preliminary, suggest that hypogean forms of Rhamdia from the SdZ are cave‐adapted populations of the more widespread and epigean species R. laticauda.
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