Reversal of sex roles in the copulatory behavior of the imported crayfish Procambarus clarkii

Eiiti Kasuya, Shigematsu Tsurumaki, Mitsuya Kanie

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

Copulatory behavior of the crayfish Procambarus clarkii was observed in the laboratory. This behavior was asymmetrical, in that the male mounted the female and grasped her chelipeds with his chela. Crayfish in various combinations (1 female and 1 male, 1 female and 2 males, and 2 females and 1 male) were confined in an aquarium and observed. The number of copulations, the number of copulation attempts by males, total duration of copulations, and the average duration of a copulation were not different among the 3 combinations. Females initiated behavior similar to the copulatory behavior initiated by males only in experiments with 2 females and 1 male. The frequency of this reversed copulatory behavior was greater in the experiments with 2 females and 1 male than it was with the other 2 combinations.

本文言語英語
ページ(範囲)469-471
ページ数3
ジャーナルJournal of Crustacean Biology
16
3
DOI
出版ステータス出版済み - 8 1996

All Science Journal Classification (ASJC) codes

  • Aquatic Science

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