西日本におけるマーモクレブスの初記録と淡水生態系への脅威

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  • New record of Marmorkrebs from western Japan and its potential threats to freshwater ecosystems
  • ニシニホン ニ オケル マーモクレブス ノ ハツ キロク ト タンスイ セイタイケイ エ ノ キョウイ

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<p>On 9 November 2016, an unknown Cambaridae crayfish was collected from the outflow stream of Matsubara Izumi along the Shigenobu River in western Japan. On the basis of COI and 12S rRNA analyses, we identified the crayfish as the Marmorkrebs (Procambarus fallax f. virginalis), which serves as the first record for this species from western Japan. The Marmorkrebs is widely available across Japan through the aquarium pet trade. Because the parthenogenic Marmorkrebs has high potential to impact biodiversity, fisheries, and rice farming in Japan through rapid proliferation, transmission of diseases, and herbivory, we call for urgent management plans to restrict the import, movement, and release of this crayfish.</p>

収録刊行物

  • CANCER

    CANCER 26 (0), 5-11, 2017

    日本甲殻類学会

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