Comparison of UV-B tolerance between wild-type and albino Japanese flounder Paralichthys olivaceus juveniles

DOI Web Site
  • Fukunishi Yuichi
    Maizuru Fisheries Research Station, Field Science Education and Research Center, Kyoto University Fisheries Research Institute, Toyama Prefectural Agricultural, Forestry & Fisheries Research Center
  • Masuda Reiji
    Maizuru Fisheries Research Station, Field Science Education and Research Center, Kyoto University
  • Seikai Tadahisa
    Faculty of Marine Biosciences, Fukui Prefectural University
  • Nakamura Mitsuo
    Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University
  • Tagawa Masatomo
    Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University
  • Yamashita Yoh
    Field Science Education and Research Center, Kyoto University

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タイトル別名
  • Comparison of UV-B tolerance between wild-type and albino Japanese flounder <I>Paralichthys olivaceus</I> juveniles

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抄録

Albinos in Japanese flounder Paralichthys olivaceus are yellowish mutants which lack melanophores. To reveal the function of melanophores, UV-B tolerance was compared between wild-type (100±8 mm) and albino (98±6 mm) flounder juveniles. After 6 hours of UV-B exposure (1.1 W/m2), survival was examined every 1 hour for 24 hours. Control treatment without UV exposure was also conducted. Albino fish in the UV treatment showed significantly lower survival than that of wild-type fish. There was no significant difference in survival between strains in the control. Present research suggests that melanophores have a UV photoprotective function in flounder juveniles.

収録刊行物

  • 水産増殖

    水産増殖 65 (2), 149-152, 2017-06-20

    日本水産増殖学会

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