ヒメマスの磁気感覚に関する行動実験 Behavioral Tests for Magnetic Sensitivity of Hime Salmon (Kokanee:Land-locked Sockeye Salmon Oncorhynchus nerka)

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Juvenile and mature hime salmon were tested for their magnetic sensitivity using a successive conditioning. Fifty juvenile fish were reinforced according to concurrent changes of intensity, direction, and inclination of the magnetic field as a conditioned stimulus and an electric shock as an unconditioned stimulus. Twenty mature fish were reinforced according to an alternative magnetic field which rotates the horizontal component of the magnetic field in the tank through 120°at 1Hz. The intensity of the total magnetic field in the tank was also changed from 0.56 to 0.80 gauss. Cumulative number of training reached 300 times for juvenile fish and 600 times for mature fish. No statistically significant conditioned reflex was observed in either juvenile or mature fish. However, the other fifty juvenile fish and twenty mature fish were successfully conditioned by lighting stimulus (100 ?? 130lx for juvenile fish and 20 ?? 25lx for mature fish) instead of the magnetic stimulus. These results indicate that hime salmon may not have magnetic sensitivity.

収録刊行物

  • 日本水産学会誌  

    日本水産学会誌 62(6), 911-919, 1996-11-15 

    日本水産學會

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各種コード

  • NII論文ID(NAID)
    10004850170
  • NII書誌ID(NCID)
    AN00193422
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    00215392
  • NDL 記事登録ID
    4078371
  • NDL 雑誌分類
    ZR26(科学技術--農林水産--水産)
  • NDL 請求記号
    Z18-345
  • データ提供元
    CJP書誌  NDL  IR  J-STAGE 
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