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Call me by my name: unravelling the taxonomy of the gulper shark genus Centrophorus in the Mediterranean Sea through an integrated taxonomic approach
Zoological Journal of the Linnean Society ( IF 2.8 ) Pub Date : 2021-11-16 , DOI: 10.1093/zoolinnean/zlab110
Andrea Bellodi 1, 2 , Anna Benvenuto 2, 3 , Riccardo Melis 1, 2 , Antonello Mulas 1, 2 , Monica Barone 4 , Claudio Barría 5 , Alessia Cariani 2, 3 , Laura Carugati 1, 2 , Archontia Chatzispyrou 6 , Monique Desrochers 7 , Alice Ferrari 2, 3 , Javier Guallart 8 , Farid Hemida 9 , Cecilia Mancusi 10 , Carlotta Mazzoldi 11 , Sergio Ramírez-Amaro 12 , Javier Rey 13 , Danilo Scannella 14 , Fabrizio Serena 14 , Fausto Tinti 2, 3 , Adriana Vella 15 , Maria Cristina Follesa 1, 2 , Rita Cannas 1, 2
Affiliation  

The current shift of fishery efforts towards the deep sea is raising concern about the vulnerability of deep-water sharks, which are often poorly studied and characterized by problematic taxonomy. For instance, in the Mediterranean Sea the taxonomy of genus Centrophorus has not been clearly unravelled yet. Since proper identification of the species is fundamental for their correct assessment and management, this study aims at clarifying the taxonomy of this genus in the Mediterranean Basin through an integrated taxonomic approach. We analysed a total of 281 gulper sharks (Centrophorus spp.) collected from various Mediterranean, Atlantic and Indian Ocean waters. Molecular data obtained from cytochrome c oxidase subunit I (COI), 16S ribosomal RNA (16S), NADH dehydrogenase subunit 2 (ND2) and a portion of a nuclear 28S ribosomal DNA gene region (28S) have highlighted the presence of a unique mitochondrial clade in the Mediterranean Sea. The morphometric results confirmed these findings, supporting the presence of a unique and distinct morphological group comprising all Mediterranean individuals. The data strongly indicate the occurrence of a single Centrophorus species in the Mediterranean, ascribable to C. cf. uyato, and suggest the need for a revision of the systematics of the genus in the area.

中文翻译:

请以我的名字呼唤我:通过综合分类学方法解开地中海吞咽鲨属 Centrophorus 的分类学

目前渔业向深海的转变引发了人们对深海鲨鱼脆弱性的担忧,而这种脆弱性通常研究不足,并且以有问题的分类为特征。例如,在地中海,Centrophorus 属的分类学尚未明确解开。由于正确识别该物种是正确评估和管理的基础,因此本研究旨在通过综合分类学方法阐明地中海盆地该属的分类学。我们分析了从各种地中海、大西洋和印度洋水域收集的总共 281 条吞咽鲨 (Centrophorus spp.)。从细胞色素 c 氧化酶亚基 I (COI)、16S 核糖体 RNA (16S)、NADH 脱氢酶亚基 2 (ND2) 和核 28S 核糖体 DNA 基因区域 (28S) 的一部分突出显示了地中海中独特的线粒体进化枝的存在。形态测量结果证实了这些发现,支持存在一个由所有地中海个体组成的独特而独特的形态群。数据强烈表明在地中海出现了单一的 Centrophorus 物种,可归因于 C. cf. uyato,并建议需要对该地区该属的系统学进行修订。数据强烈表明在地中海出现了单一的 Centrophorus 物种,可归因于 C. cf. uyato,并建议需要对该地区该属的系统学进行修订。数据强烈表明在地中海出现了单一的 Centrophorus 物种,可归因于 C. cf. uyato,并建议需要对该地区该属的系统学进行修订。
更新日期:2021-11-16
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