トラフグの体表に着定した単生類<i>Heterobothium okamotoi</i> の孵化幼生の運命

  • 良永 知義
    Department of Aquatic Bioscience, Graduate School of Agricultural and Life Sciences, The University of Tokyo
  • 安崎 正芳
    Department of Aquatic Bioscience, Graduate School of Agricultural and Life Sciences, The University of Tokyo
  • 小川 和夫
    Department of Aquatic Bioscience, Graduate School of Agricultural and Life Sciences, The University of Tokyo

書誌事項

タイトル別名
  • Fate of Oncomiracidia of Heterobothrium okamotoi (Monogenea) Attaching to the Body Surface of Tiger Puffer Takifugu rubripes

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抄録

Oncomiracidia of the gill monogenean Heterobothrium okamotoi experimentally attached to both the body surface and gills of tiger puffer Takifugu rubripes. While worms disappeared from the body surface in 3 days, those on the gills showed an increase in number in 12 days. When worms were removed from the body surface with a formalin treatment, such an increase was not observed in worms on the gills. Naïve fish became infected, when cohabiting with fish just after challenge, although they were separated with a mesh screen. These results demonstrate that H. okamotoi can reinfect new hosts after detachment from the body surface of previous hosts.

収録刊行物

  • 魚病研究

    魚病研究 41 (3), 113-115, 2006

    日本魚病学会

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