Neotype designation and re-description of Forsskål’s reticulate whipray Himantura uarnak

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作者：
Philippe Borsa
Collin T. Williams
Ashlie J. McIvor
Thierry B. Hoareau
Michael L. Berumen
机构：
[1] Institut de recherche pour le développement,Division of Biological and Environmental Science and Engineering
[2] IRD-UMR 250 ‘Écologie marine tropicale des océans Pacifique et Indien’,MARE
[3] Red Sea Research Center, Marine and Environmental Sciences Centre
[4] King Abdullah University of Science and Technology (KAUST),Department of Biochemistry
[5] Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação (ARDITI),undefined
[6] Genetics and Microbiology,undefined
[7] University of Pretoria,undefined
来源：
Marine Biodiversity | 2021年 / 51卷
关键词：
Taxonomy; Dasyatidae; Nucleotide sequence;
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摘要：
A continuing impediment to the taxonomy of the reticulate whipray Himantura spp. species complex is the absence of a type specimen for H. uarnak (Gmelin [ex Forsskål], 1789). Here, reticulate whipray specimens were sampled from the Jeddah region in the Red Sea, the assumed type locality of H. uarnak, and characterized genetically at the cytochrome-oxidase subunit 1 (CO1) locus. One of these specimens now in the fish collection of the California Academy of Sciences was designated as neotype. The maximum-likelihood phylogeny of all available CO1 gene sequences from the genus Himantura had the following topology: ((H. leoparda, H. uarnak), (H. undulata, (Himantura sp. 2, (H. australis + Himantura sp. 1))), H. tutul), where H. uarnak haplotypes formed a distinct lineage sister to H. leoparda. Based on these CO1 gene sequences, the geographic distribution of H. uarnak includes the eastern Mediterranean, the Red Sea, the East African coast, and the Arabian Sea. At least one lineage in the reticulate whipray species complex remains to be named.
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