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Importance of the piscivory for Pacific bluefin tuna larvae revealed by the mass rearing technique

Research Project

Project/Area Number 24780197
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field General fisheries
Research InstitutionFisheries Research Agency

Principal Investigator

TANAKA Yosuke  独立行政法人水産総合研究センター, 西海区水産研究所, 主任研究員 (70454626)

Project Period (FY) 2012-04-01 – 2014-03-31
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2013: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2012: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Keywordsクロマグロ / 魚食性 / 成長 / 安定同位体比 / 耳石
Research Abstract

The shift of feeding habits from zooplankton to fish larvae occurs in their early life stage of Pacific bluefin tuna. We conducted the rearing experiments in order to elucidate the importance of the piscivory for growth and survival of Pacific bluefin tuna larvae. A series of the experiments revealed that the piscivory played an important role for the growth and survival of the reared tuna larvae and the growth and survival of tuna larvae largely depended on their feeding condition of the prey fish larvae. These results contribute to not only the understanding of the inter-annual variations in recruitment success but also the developments of mass-culture technique for aquaculture of the present species.

Report

(3 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • Research Products

    (6 results)

All 2014 2013 2012

All Journal Article (2 results) Presentation (4 results)

  • [Journal Article] クロマグロ仔魚にとっての魚食の重要性の解明 : 大量種苗生産によるアプローチ2014

    • Author(s)
      田中庸介
    • Journal Title

      西海区水産研究所主要研究成果集(平成24年度版)

      Volume: 17巻 Pages: 37-37

    • Related Report
      2013 Final Research Report
  • [Journal Article] クロマグロ仔魚にとっての魚食の重要性の解明:大量種苗生産によるアプローチ2013

    • Author(s)
      田中庸介
    • Journal Title

      西海区水産研究所主要研究成果集(平成24年度版)

      Volume: 17 Pages: 37-37

    • Related Report
      2013 Annual Research Report
  • [Presentation] 無給餌条件下におけるクロマグロ仔魚の生残 : 魚食とプランクトン食の比較2013

    • Author(s)
      田中庸介、久門一紀、江場岳史、西明文、二階堂英城、塩澤聡
    • Organizer
      平成25年度日本水産学会秋季大会
    • Place of Presentation
      三重大学
    • Year and Date
      2013-09-20
    • Related Report
      2013 Final Research Report
  • [Presentation] 無給餌条件下におけるクロマグロ飼育仔魚の生残:魚食とプランクトン食の比較2013

    • Author(s)
      田中庸介
    • Organizer
      平成25年度日本水産学会秋季大会
    • Place of Presentation
      三重大学
    • Related Report
      2013 Annual Research Report
  • [Presentation] 餌料ふ化仔魚の給餌時期の違いがクロマグロ仔魚の成長に与える影響2012

    • Author(s)
      田中庸介、久門一紀、樋口健太郎、江場岳史、西明文、二階堂英城、塩澤聡
    • Organizer
      平成24年度日本水産学会秋季大会
    • Place of Presentation
      水産大学校
    • Year and Date
      2012-09-15
    • Related Report
      2013 Final Research Report
  • [Presentation] 餌料用ふ化仔魚の給餌時期の違いがクロマグロ仔魚の成長に与える影響2012

    • Author(s)
      田中庸介
    • Organizer
      平成24年度日本水産学会秋季大会
    • Place of Presentation
      独立行政法人水産大学校
    • Related Report
      2012 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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