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<p>The present communication reports the first record of the exotic polychaete <i>Boccardiella hamata</i> (Webster, 1879) for Spain and the Iberian Peninsula. Individuals were collected between April and August 2023 along the Piedras River estuary (Huelva, SW Spain). Despite the fact that the sampling was carried out in soft bottom and on oyster beds formed by <i>Magallana</i> spp., <i>B. hamata</i> was found only on the surface of <i>Magallana</i> spp. every sampling month, co-occurring with its congener <i>Boccardiella ligerica</i> (Ferronnière, 1898). The Atlantic coast of North America and both sides of the Pacific Ocean have been proposed as the native area of <i>B. hamata</i>, but recently it has been introduced to Northwestern Europe. The present record in Southwestern Europe supports the expansion of this species across Europe. However, previous re-examinations of old collections suggested that the presence of <i>B. hamata</i> European waters could be earlier due to misidentifications with <i>B. ligerica</i>. The present communication contributes to the updating of the introduced range of <i>B. hamata</i>, so this record should be taken into consideration for early detection and exotic species management plans.</p>

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First record of the exotic polychaete Boccardiella hamata (Webster, 1879) (Annelida: Spionidae) for Spain and the Iberian Peninsula

  • 期刊论文

  • 发表日期：

    2025年11月11日

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  • Pablo Saenz-Arias,
  • Sergio Carlos García-Gómez,
  • Roberto Martins,
  • Marco Faasse,
  • Óscar Moreno-Escalante

摘要

The present communication reports the first record of the exotic polychaete Boccardiella hamata (Webster, 1879) for Spain and the Iberian Peninsula. Individuals were collected between April and August 2023 along the Piedras River estuary (Huelva, SW Spain). Despite the fact that the sampling was carried out in soft bottom and on oyster beds formed by Magallana spp., B. hamata was found only on the surface of Magallana spp. every sampling month, co-occurring with its congener Boccardiella ligerica (Ferronnière, 1898). The Atlantic coast of North America and both sides of the Pacific Ocean have been proposed as the native area of B. hamata, but recently it has been introduced to Northwestern Europe. The present record in Southwestern Europe supports the expansion of this species across Europe. However, previous re-examinations of old collections suggested that the presence of B. hamata European waters could be earlier due to misidentifications with B. ligerica. The present communication contributes to the updating of the introduced range of B. hamata, so this record should be taken into consideration for early detection and exotic species management plans.