イシダイ幼稚魚の成長に伴う選好温度の変化 Changes of the Preferred Temperature in Striped Beakperch, Oplegnathus fasciatus, during the Juvenile Growth

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抄録

Temperature preference of 2-14 month old striped beakperch, <i>Oplegnathus fasciatus</i>, (B. L. 3.3-14.9cm) hatched on the same day was tested using a vertical temperature gradient tank. Fish were acclimated to 25°C for more than 18 days before the experiments. Temperature was a dominant factor affecting fish distribution in a vertical temperature gradient, since the distribution was shifted in accordance with the location of preferred temperature. No clear change in the preferred temperature was shown with exposure to the temperature gradient for more than 24 hours. The preferred temperatures were related to the growth of the fish. Two to eight month old fish preferred a progressively cooler temperature from 28.6 to 24.7°C as they grew. Fish older than 8 months preferred a narrower temperature range of 25 and 26°C.

収録刊行物

  • 日本水産学会誌  

    日本水産学会誌 63(1), 64-69, 1997-01-15 

    日本水産學會

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各種コード

  • NII論文ID(NAID)
    10004850481
  • 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
    4119370
  • 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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