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<p><i>Coryphaenoides armatus</i> is a deep-sea species with broad geographic and bathymetric distribution and a highly developed olfactory system, rendering it a potential indicator species for deep-sea mining regions and a model for studying environmental adaptation. Genomic resources for this species are limited, restricting insights into its adaptive evolution. Here, we present a chromosome-level genome assembly of <i>C. armatus</i>, constructed using PacBio HiFi long-read sequencing, Illumina short-read polishing, and Hi-C scaffolding. The final assembly spans 811.1 Mb, achieves a scaffold N50 of 33.3 Mb, and is organized into 24 chromosomes. The complete BUSCO score at the chromosome-level assembly was 90.9%. A total of 24,818 protein-coding genes were annotated in the assembly. This high-quality genome assembly of <i>C. armatus</i> provides a solid foundation for understanding physiological processes, identifying potential indicator species in deep-sea mining regions and exploring adaptive evolution in extreme environments.</p>

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A chromosome-level genome assembly of Coryphaenoides armatus

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年2月3日

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  • Boqiong Wu,
  • Haiyan Yu,
  • Tengda Luo,
  • Bo Lu,
  • Qiang Lin,
  • Yanhong Zhang

摘要

Coryphaenoides armatus is a deep-sea species with broad geographic and bathymetric distribution and a highly developed olfactory system, rendering it a potential indicator species for deep-sea mining regions and a model for studying environmental adaptation. Genomic resources for this species are limited, restricting insights into its adaptive evolution. Here, we present a chromosome-level genome assembly of C. armatus, constructed using PacBio HiFi long-read sequencing, Illumina short-read polishing, and Hi-C scaffolding. The final assembly spans 811.1 Mb, achieves a scaffold N50 of 33.3 Mb, and is organized into 24 chromosomes. The complete BUSCO score at the chromosome-level assembly was 90.9%. A total of 24,818 protein-coding genes were annotated in the assembly. This high-quality genome assembly of C. armatus provides a solid foundation for understanding physiological processes, identifying potential indicator species in deep-sea mining regions and exploring adaptive evolution in extreme environments.