Mating behavior in Thalamita picta (Brachyura: Portunidae) and comparisons with congeneric species
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- Norman Christopher P.
- Kominato Marine Laboratory, Marine Ecosystems Research Center, Faculty of Science, Chiba University
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- Nuka Toshimitsu
- Kominato Marine Laboratory, Marine Ecosystems Research Center, Faculty of Science, Chiba University
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- Miyazaki Tatsuo
- Kominato Marine Laboratory, Marine Ecosystems Research Center, Faculty of Science, Chiba University
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Intermolt (hard shelled) female Thalamita picta, including ovigerous females, were observed to mate in the field and laboratory. Postmolt (soft shelled) stages did not initiate a mating response in males. Copulation in the laboratory lasted an average of 186.1±66.7 seconds (mean±S.D., n = 16) with no significant difference (P>0.1) in duration between pairs with ovigerous and non-ovigerous females. Further, duration of copulation did not differ significantly (P>0.1) between pairs in which the male was larger than the female and those in which the female was larger than the male. For the pre-copulatory maneuvering period (time between capture of the female and the initiation of copulation), although no significant difference was observed between ovigerous and non-ovigerous females (P>0.1), pairs in which the male was smaller than the female (248.6±180.5 sec, n = 9) differed significantly (P<0.05) from pairs in which the male was larger (75.3±39.6 sec, n = 7). Mating behaviors with the congeneric species T. sima and T. prymna are compared and discussed.
収録刊行物
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- Crustacean Research
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Crustacean Research 28 (0), 16-23, 1999
日本甲殻類学会
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詳細情報 詳細情報について
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- CRID
- 1390282679681855232
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- NII論文ID
- 110002694452
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- NII書誌ID
- AA10988150
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- ISSN
- 21895317
- 02873478
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- NDL書誌ID
- 4943670
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可