有用カニ類の雌雄の間に見られる大きさの相違と其の原因に就いて

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概要

• 論文の詳細を見る

• The female Erimacrus isenbeckii is somewhat smaller than the male one, and it is due to the fact that the molting and the growth of the female is restricted by the incubation term as long as one year or more. In Chironececetes oplis, the female is remarkably smaller than the male. The female crab neither molts nor grows after the first maturing, and there occurs a remarkable difference in size between the male and the female. In Portunus trituberculatus there is no sexual dimorphism in size, for the incubatoin period of the female is only 2-3 week and the molting of the female is not restricted.

著者

• 吉田 裕

  第二水産講習所

関連論文

• 有用カニ類の雌雄の間に見られる大きさの相違と其の原因に就いて

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