A potential third Manta Ray species near the Yucatán Peninsula? Evidence for a recently diverged and novel genetic Manta group from the Gulf of Mexico
We present genetic and morphometric support for a third, distinct, and recently diverged group of Manta ray that appears resident to the Yucatán coastal waters of the Gulf of Mexico. Individuals of the genus Manta from Isla Holbox are markedly different from the other described manta rays in their m...
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doaj-7fb494b6367f463db588bf2e7285f33e2020-11-24T23:32:01ZengPeerJ Inc.PeerJ2167-83592016-11-014e258610.7717/peerj.2586A potential third Manta Ray species near the Yucatán Peninsula? Evidence for a recently diverged and novel genetic Manta group from the Gulf of MexicoSilvia Hinojosa-Alvarez0Ryan P. Walter1Pindaro Diaz-Jaimes2Felipe Galván-Magaña3E. Misty Paig-Tran4Posgrado en Ciencias del Mar y Limnología/Laboratorio de Genética de Organismos Acuáticos, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Ciudad de México, MexicoDepartment of Biological Science, California State University, Fullerton, CA, United StatesInstituto de Ciencias del Mar y Limnología, Unidad Académica de Ecología y Biodiversidad Acuática, Laboratorio de Genética de Organismos Acuáticos, Universidad Nacional Autónoma de México, Ciudad de México, MexicoInstituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas, La Paz, Baja California Sur, MéxicoDepartment of Biological Science, California State University, Fullerton, CA, United StatesWe present genetic and morphometric support for a third, distinct, and recently diverged group of Manta ray that appears resident to the Yucatán coastal waters of the Gulf of Mexico. Individuals of the genus Manta from Isla Holbox are markedly different from the other described manta rays in their morphology, habitat preference, and genetic makeup. Herein referred to as the Yucatán Manta Ray, these individuals form two genetically distinct groups: (1) a group of mtDNA haplotypes divergent (0.78%) from the currently recognized Manta birostris and M. alfredi species, and (2) a group possessing mtDNA haplotypes of M. birostris and highly similar haplotypes. The latter suggests the potential for either introgressive hybridization between Yucatán Manta Rays and M. birostris, or the retention of ancestral M. birostris signatures among Yucatán Manta Rays. Divergence of the genetically distinct Yucatán Manta Ray from M. birostris appears quite recent (<100,000 YBP) following fit to an Isolation-with-Migration model, with additional support for asymmetrical gene flow from M. birostris into the Yucatán Manta Ray. Formal naming of the Yucatán Manta Ray cannot yet be assigned until an in-depth taxonomic study and further confirmation of the genetic identity of existing type specimens has been performed.https://peerj.com/articles/2586.pdfManta alfrediYucatán manta rayND5Genetic divergenceManta birostris |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Silvia Hinojosa-Alvarez Ryan P. Walter Pindaro Diaz-Jaimes Felipe Galván-Magaña E. Misty Paig-Tran |
spellingShingle |
Silvia Hinojosa-Alvarez Ryan P. Walter Pindaro Diaz-Jaimes Felipe Galván-Magaña E. Misty Paig-Tran A potential third Manta Ray species near the Yucatán Peninsula? Evidence for a recently diverged and novel genetic Manta group from the Gulf of Mexico PeerJ Manta alfredi Yucatán manta ray ND5 Genetic divergence Manta birostris |
author_facet |
Silvia Hinojosa-Alvarez Ryan P. Walter Pindaro Diaz-Jaimes Felipe Galván-Magaña E. Misty Paig-Tran |
author_sort |
Silvia Hinojosa-Alvarez |
title |
A potential third Manta Ray species near the Yucatán Peninsula? Evidence for a recently diverged and novel genetic Manta group from the Gulf of Mexico |
title_short |
A potential third Manta Ray species near the Yucatán Peninsula? Evidence for a recently diverged and novel genetic Manta group from the Gulf of Mexico |
title_full |
A potential third Manta Ray species near the Yucatán Peninsula? Evidence for a recently diverged and novel genetic Manta group from the Gulf of Mexico |
title_fullStr |
A potential third Manta Ray species near the Yucatán Peninsula? Evidence for a recently diverged and novel genetic Manta group from the Gulf of Mexico |
title_full_unstemmed |
A potential third Manta Ray species near the Yucatán Peninsula? Evidence for a recently diverged and novel genetic Manta group from the Gulf of Mexico |
title_sort |
potential third manta ray species near the yucatán peninsula? evidence for a recently diverged and novel genetic manta group from the gulf of mexico |
publisher |
PeerJ Inc. |
series |
PeerJ |
issn |
2167-8359 |
publishDate |
2016-11-01 |
description |
We present genetic and morphometric support for a third, distinct, and recently diverged group of Manta ray that appears resident to the Yucatán coastal waters of the Gulf of Mexico. Individuals of the genus Manta from Isla Holbox are markedly different from the other described manta rays in their morphology, habitat preference, and genetic makeup. Herein referred to as the Yucatán Manta Ray, these individuals form two genetically distinct groups: (1) a group of mtDNA haplotypes divergent (0.78%) from the currently recognized Manta birostris and M. alfredi species, and (2) a group possessing mtDNA haplotypes of M. birostris and highly similar haplotypes. The latter suggests the potential for either introgressive hybridization between Yucatán Manta Rays and M. birostris, or the retention of ancestral M. birostris signatures among Yucatán Manta Rays. Divergence of the genetically distinct Yucatán Manta Ray from M. birostris appears quite recent (<100,000 YBP) following fit to an Isolation-with-Migration model, with additional support for asymmetrical gene flow from M. birostris into the Yucatán Manta Ray. Formal naming of the Yucatán Manta Ray cannot yet be assigned until an in-depth taxonomic study and further confirmation of the genetic identity of existing type specimens has been performed. |
topic |
Manta alfredi Yucatán manta ray ND5 Genetic divergence Manta birostris |
url |
https://peerj.com/articles/2586.pdf |
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