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<p>The present study reports the first live occurrence of the benthic Pleurobranchid sea slug <i>Pleurobranchaea brockii</i> Bergh, 1897 from the seagrass meadows of Haripur Creek, Gopalpur Odisha, India; observed during a coastal survey conducted on 9th December 2023 during low tide period. The recorded sea slug exhibits length of 12&#xa0;cm and width of 6&#xa0;cm. Predominantly <i>P. brockii</i> was reported from the Andaman &amp; Nicobar coastal waters. However, there are no confirmed records yet from the Indian mainland. Although <i>P. brockii</i> has been mentioned in checklist from the Gulf of Mannar and Tamil Nadu coast, these reports lack detailed morphological descriptions and photographic evidence. Live existence of <i>P. brockii</i> along the seagrass fringed creek waters of southern Odisha coast suggests range extension from the Andaman region to the Indian mainland.</p>

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First Live Record of a Side Gill Sea Slug Pleurobranchaea brockii Bergh, 1897 (Order: Pleurobranchida; Family: Pleurobranchaeidae) from Seagrass Meadows of Indian Mainland (Haripur Creek-Gopalpur; Odisha)

  • 期刊论文

  • 发表日期：

    2026年5月24日

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  • Debasish Mahapatro,
  • Sangeeta Mishra,
  • Rajaram Behera,
  • Sharada Shrinivas Pati,
  • Sumitra Nayak,
  • Sarat Kumar Mohanty,
  • Niranjan Mallick,
  • Kailasam Murugesan,
  • Uma Nanduri

摘要

The present study reports the first live occurrence of the benthic Pleurobranchid sea slug Pleurobranchaea brockii Bergh, 1897 from the seagrass meadows of Haripur Creek, Gopalpur Odisha, India; observed during a coastal survey conducted on 9th December 2023 during low tide period. The recorded sea slug exhibits length of 12 cm and width of 6 cm. Predominantly P. brockii was reported from the Andaman & Nicobar coastal waters. However, there are no confirmed records yet from the Indian mainland. Although P. brockii has been mentioned in checklist from the Gulf of Mannar and Tamil Nadu coast, these reports lack detailed morphological descriptions and photographic evidence. Live existence of P. brockii along the seagrass fringed creek waters of southern Odisha coast suggests range extension from the Andaman region to the Indian mainland.