オイカワ, <I>Zacco platypus</I> (Temminck and Schlegel) の繁殖-II.卵の生産

DOI

書誌事項

タイトル別名
  • Reproduction of the Oikawa, <I>Zacco platypus</I> (Temminck and Schlegel), a Cyprinid-II.Production of Eggs

抄録

Ovarian development and fecundity of the Oikawa, Zacco platypus, were studied based on 1, 562 specimens collected during one year from September 1965 in the water of the River Aki, Tokyo-to.The results of the study may be summarized as follows.1) Ovarian development was noted significant from April to June, accompanied by marked increase in body weight.2) The fecundity, number of large eggs counted in ovary, increased proportionally to the approximate third power of the total length.3) Estimated potential egg deposition (Hartman and Concle, 1960) per 100 females was about 38, 000 eggs for Zacco platypus cast-netted in June 1966.4) The reproductive potential gradually decreased during the spawning season;about 24, 000 eggs in July and about 9, 000 eggs in August.

収録刊行物

  • 魚類学雑誌

    魚類学雑誌 17 (4), 173-178, 1970

    The Ichthyological Society of Japan

詳細情報 詳細情報について

  • CRID
    1390001204768128128
  • NII論文ID
    130004018495
  • DOI
    10.11369/jji1950.17.173
  • ISSN
    18847374
    00215090
  • データソース種別
    • JaLC
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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