Male Spiders Castrate Themselves to Fight Better

Castrated males are better fighters because they are not weighed down by their manhood.

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Images: Nephilengys malabarensis male and female showing extreme sexual dimorphism where the much smaller male is resting on the female’s abdomen after escaping from female cannibalism via emasculation during copulation. Credit: Qi Qi Lee

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  1. tallpawl reblogged this from maxistentialist
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  11. ohmyteacup reblogged this from imagineatoms and added:
    lover? Fighter?
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  21. realcleverscience reblogged this from discoverynews and added:
    I guess we now know where spiders fall on this question:
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    WTF i just had to reblog
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    Awesome!
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