東シナ海・黄海産イワハダカBenthosema pterotumの食性 Food Habits of the Lanternfish Benthosema pterotum in the East China Sea and the Yellow Sea

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The stomach content of the lanternfish, <i>Benthosema pterotum</i> is analyzed based on 700 specimens caught during the daytime by an otter trawl in the East China Sea and the Yellow Sea in October 1989 and 1990. <br>The food items were mainly composed of zooplankton such as copepods, euphausiids, ostracods and chaetognaths. This composition of food items has changed with the area, year and body size range. The average stomach content index in weight was 0.91±0.9 and 0.88±0.7 in October 1989 and 1990, respectively. <br>Since <i>B. pterotum</i> is known to be a common prey organism of larger fishes of commercial value, this species is thought to play an important role as the third producer connecting second producers such as small crustaceans with much higher producers in the food web of the studied areas.

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  • 日本水産学会誌  

    日本水産学会誌 63(4), 522-530, 1997-07-15 

    日本水産學會

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各種コード

  • NII論文ID(NAID)
    10004851374
  • 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
    4258506
  • 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  CJP引用  NDL  IR  J-STAGE 
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