Color vision and spectral sensitivity in tunas and marlins.

DOI Web Site 4 Citations
  • KAWAMURA Gunzo
    Laboratory of Fishing Technology, Faculty of Fisheries, Kagoshima University
  • NISHIMURA Waichiro
    Laboratory of Fishing Technology, Faculty of Fisheries, Kagoshima University
  • UEDA Soichi
    Kagoshima-maru, Faculty of Fisheries, Kagoshima university
  • NISHI Tooru
    Kagoshima-maru, Faculty of Fisheries, Kagoshima university

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Other Title
  • マグロ・カジキ類の色覚と分高感度
  • マグロ・カジキ類の色覚と分光感度〔英文〕
  • マグロ カジキルイ ノ シキカク ト ブンコウ カンド エイブン

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Abstract

To determine the presence of color vision in tunas and marlins, S-potentials were recorded from the isolated retinae of yellowfin tuna, bigeye tuna, albacore, striped marlin, Pacific blue marlin, and black marlin. No chromaticity type S-potential was recorded. This finding indicates that these fishes are probably color-blind. The distribution of relative amplitude at each stimulus wavelength obtained from the records showed that the maximum sensitivity is at wavelengths between 492 and 522nm in albacore and between 458 and 492nm but closer to 492nm in the others.

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