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Sperm transfer or spermatangia removal: postcopulatory behaviour of picking up spermatangium by female Japanese pygmy squid
http://hdl.handle.net/10069/31698
http://hdl.handle.net/10069/31698200e83d2-2228-458b-a43a-c2ea5b91dd9c
名前 / ファイル | ライセンス | アクション |
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MarBio160_553.pdf (2.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-04-01 | |||||
タイトル | ||||||
タイトル | Sperm transfer or spermatangia removal: postcopulatory behaviour of picking up spermatangium by female Japanese pygmy squid | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | cephalopod | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | copulation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | crypsis | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | female behavior | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | fertilization (reproduction) | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | mate choice | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | sperm | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Cephalopoda | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Idiosepius paradoxus | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Sato, Noriyosi
× Sato, Noriyosi× Kasugai, Takashi× Munehara, Hiroyuki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In the Japanese pygmy squid Idiosepius paradoxus, females often pick up the spermatangium using their mouth (buccal mass) after copulation. To examine whether the female I. paradoxus directly transfers sperm into the seminal receptacle via this picking behaviour, or removes the spermatangium, we conducted detailed observations of picking behaviour in both virgin and copulated females and compared the sperm storage conditions in the seminal receptacle between females with and without spermatangia picking after copulation in virgin females. In all observations, elongation of the buccal mass occurred within 5 min after copulation. However, sperm volume in the seminal receptacle was not related to spermatangia picking. Observations using slow-motion video revealed that females removed the spermatangia by blowing or eating after picking. These results suggest that picking behaviour is used for sperm removal but not for sperm transfer. Moreover, the frequency of buccal mass elongation was higher in copulated females than in virgin females, consistent with the sequential mate choice theory whereby virgin females secure sperm for fertilisation, while previously copulated females are more selective about their mate. Female I. paradoxus may choose its mate cryptically through postcopulatory picking behaviour. | |||||
書誌情報 |
Marine Biology 巻 160, 号 3, p. 553-561, 発行日 2013-03 |
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出版者 | ||||||
出版者 | Springer Verlag | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00253162 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 14321793 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1007/s00227-012-2112-5 | |||||
権利 | ||||||
権利情報 | © 2012 Springer-Verlag Berlin Heidelberg. | |||||
権利 | ||||||
権利情報 | The original publication is available at www.springerlink.com | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Marine Biology, 160(3), pp.553-561; 2013 |