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Effects of body size on mating behaviour and spawning of the red swamp crayfish Procambarus clarkii
https://oacis.repo.nii.ac.jp/records/2508
https://oacis.repo.nii.ac.jp/records/2508c36edf9d-b221-42da-a58f-599d94557b71
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-08-22 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Effects of body size on mating behaviour and spawning of the red swamp crayfish Procambarus clarkii | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | mate choice, copulation, invasive species, Cambaridae | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
著者 |
Hamasaki, Katsuyuki
× Hamasaki, Katsuyuki× Tsuboi, Takuya× Dan, Shigeki |
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書誌情報 |
ja : 水生動物 en : Aquatic Animals 巻 2022, 発行日 2022-05-19 |
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抄録 | ||||||
内容記述 | The red swamp crayfish Procambarus clarkii is an invasive alien species worldwide. The sterile-male-release technique (SMRT), which uses sterile but sexually active males, may help control its population. Body sizes of males and females affect mating and spawning success through mate choice. However, mating behaviour and spawning between different-sized males and females of P. clarkii remain unclear. The present study elucidated the effects of body size on mating behaviour and spawning of P. clarkii to develop effective SMRT for this invasive species. We prepared nine test groups as a combination of males and females in three size classes, and the mating behaviour of the test pairs was videorecorded for 48 h; then, spawning and egg development rate were examined. The body size difference negatively affected the copulation frequency and duration in the pairs, and the incidence of copulation was low in the pairs between the largest males and smallest females. When mating with smaller males, females delayed spawning and the egg development rate decreased, likely because the females may be waiting an opportunity to mate with larger males with higher reproductive potential. Our results might be consequences of mutual mate choice (i.e., preference for larger mates). Our findings indicate that in SMRT, sterile medium- and large-sized males with high reproductive potential are recommended to satisfy the mutual mate choice in P. clarkii populations of various-sized females. |
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ISSN | ||||||
収録物識別子タイプ | EISSN | |||||
収録物識別子 | 2434-8643 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.34394/aquaticanimals.2022.0_AA2022-9 | |||||
情報源 | ||||||
関連識別子 | https://doi.org/10.34394/aquaticanimals.2022.0_AA2022-9 | |||||
関連名称 | Publisher's Version/PDF (OpenAccess) | |||||
情報源 | ||||||
関連識別子 | http://aquaanimal.net/ | |||||
関連名称 | アクオス研究所 | |||||
出版者 | ||||||
出版者 | アクオス研究所 |