Published October 16, 2025
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The mitogenome of the crab Grapsus adscensionis (Osbeck, 1765).

Creators

  • 1. CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Ponta Delgada, Portugal.
  • 2. BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Vairão, Portugal.
  • 3. UNESCO Chair - Land Within Sea: Biodiversity & Sustainability in Atlantic Islands, Universidade dos Açores, Ponta Delgada, Portugal.
  • 4. Faculdade de Ciências da Universidade do Porto, Porto, Portugal.
  • 5. University of Porto
  • 6. MPB - Marine Palaeontology and Biogeography Lab, Universidade dos Açores, Ponta Delgada, Portugal.
  • 7. CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Universidade do Porto, Vairão, Portugal.
  • 8. Department of Ecosystem Management, Climate and Biodiversity, Institute of Integrative Nature Conservation Research, BOKU University, Vienna, Austria.
  • 9. Royal Netherlands Institute for Sea Research, Texel, Netherlands.

Description

The mitochondrial genome of Grapsus adscensionis (Osbeck, 1765), a rocky shore crab distributed across the Macaronesian archipelagos and the eastern Atlantic, was sequenced and annotated for the first time. The circular mitogenome is 15,553 bp in length and comprises 13 protein-coding genes (PCGs), 22 tRNAs, two rRNAs, and a non-coding control region. It exhibits a strong AT bias, with negative AT- and GC-skews. Gene arrangement and composition are consistent with other brachyuran crabs. These findings provide novel molecular data for the species, representing the third mitogenome published for the genus Grapsus, and contribute to a better understanding of brachyuran evolutionary relationships.
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