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<p>We present novel genetic data for the rare deep-water shark <i>Pseudotriakis microdon</i>, including sequences for COI, 16S rRNA, NADH2, and nuclear ITS2 from specimens sampled in the North Atlantic Ocean. These data, combined with all publicly available sequences, reveal clear genetic structuring: Atlantic and Indian Ocean populations form a cluster clearly separated from West Pacific individuals. The ITS2 marker, previously unreported for this species, appears particularly divergent, reflecting a poorly sampled phylogenetic branch and representing a valuable genomic resource. These findings lay the groundwork for future conservation and taxonomic studies of <i>P. microdon</i> populations.</p>

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Novel genetic data for conservation monitoring of the false catshark (Pseudotriakis microdon)

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年4月4日

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  • Joana Marques,
  • Samuel P. Iglésias,
  • Carlos Ferreira,
  • Filipe Pereira

摘要

We present novel genetic data for the rare deep-water shark Pseudotriakis microdon, including sequences for COI, 16S rRNA, NADH2, and nuclear ITS2 from specimens sampled in the North Atlantic Ocean. These data, combined with all publicly available sequences, reveal clear genetic structuring: Atlantic and Indian Ocean populations form a cluster clearly separated from West Pacific individuals. The ITS2 marker, previously unreported for this species, appears particularly divergent, reflecting a poorly sampled phylogenetic branch and representing a valuable genomic resource. These findings lay the groundwork for future conservation and taxonomic studies of P. microdon populations.