サバの耳石に顯われる輸紋に就いて

書誌事項

タイトル別名
  • On the Rings Appearing on the Otolith of one Form of the Japanese Mackerels
  • サバ ノ ジセキ ニ ケンワレル リンモン ニ ツイテ

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抄録

The rings of otolith were examined in age determination of the one form of the Japanese makerels, Scomber japonicus japonicus (HOUTTUYN), because the scales are almost completely rubbed off prior to the collecting of the fish.<br> 1) The percents of the otoliths which show opaque or translucent margin for each month of the year are shown in table 2.<br> 2) The relation between the fork length and otolith length is given by F.L=17.7R-9.1 (when F.L is fork length in cm, R is distan ?? between the center of otolith and its anterior margin in mm)<br> 3) The range and average of the fork length of each age group and the calculated fork length are shown in tables 3 and 4.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 21 (4), 214-217, 1955

    公益社団法人 日本水産学会

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