Males Can Benefit from Sexual Cannibalism Facilitated by Self-Sacrifice
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- 作者：Steven K. Schwartz1 ; 2 ; 3 ; schwartz@huskers.unl.edu" class="auth_mail" title="E-mail the corresponding author ; William E. Wagner Jr.1 ; Eileen A. Hebets1
- 关键词：dark fishing spider ; Dolomedes tenebrosus ; monogyny ; paternal effort ; paternal investment ; Pisauridae ; self-sacrifice ; sexual cannibalism ; sexual conflict ; spontaneous death
- 刊名：Current Biology
- 出版年：2016
- 出版时间：24 October 2016
- 年：2016
- 卷：26
- 期：20
- 页码：2794-2799
- 全文大小：681 K
文摘
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Male self-sacrifice behavior is adaptive in the dark fishing spider
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Postcopulatory sexual cannibalism results in fecundity benefits for both sexes
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Cannibalized males benefit via increased offspring number, size, and survivorship
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Benefits result from the consumption of the male, not from an alternative prey item