ASSESSMENT OF THE GENETIC DIVERSITY OF CICHLIDS IN THE YUCATAN PENINSULA THROUGH BARCODES
DOI:
https://doi.org/10.69823/avacient.v5n1a2Keywords:
Gen, Biodiversity, Endangered speciesAbstract
The Yucatan Peninsula, located in southeastern Mexico, is a karstic region with several types of water bodies with different degrees of isolation, which can influence the differentiation (morphological and genetic) of the organisms that inhabit them. In these environments, the Cichlidae family is one of the most diverse in number of genera and species, therefore is of interest to study their diversification processes at different levels. In this work, the genetic diversity of some of these species was evaluated, based on the analysis of public sequences of the MT-CO1 gene deposited in the BOLD repository. Three species are the most genetically diverse (Mayaheros urophthalmus, Thorichthys helleri and T. meeki) and two species haplogroups were identified that can be explained, in part, by trophic affinities. The presence of the exotic species Parachromis managuensis was detected and the range of Vieja fenestrata was extended. These findings contribute to the knowledge of fish diversity in the region, so the use and analysis of genetic barcodes should be considered as part of the tools for measuring ichthyodiversity, particularly in environments that favor the isolation of aquatic populations.
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